Simon Husby, MD, PhD^1*, Morten Tulstrup, MD^2*, Mads Harsløf, MD^3*, Christian Nielsen, PhD^4*, Marianne Antonius Jakobsen, PhD^4*, Eva Kannik Hastrup, MD, PhD^5*, Lene Hyldahl Ebbesen, MD, PhD^6*, Mette Klarskov Andersen, MD, DMSc⁷, Maroulio Pertesi, PhD^8*, Björn Nilsson, MD, PhD^9*, Carsten Utoft Niemann, MD, PhD¹, Agoston Gyula Szabo, MD¹⁰, Niels Frost Andersen, MD, PhD^6*, Niels Abildgaard, M.D.¹¹, Kirsten Grønbæk¹ and Annette Juul Vangsted, MD^12*

¹Department of Hematology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
²Department of Hematology, Rigshospitalet, Copenhagen, Denmark
³Dept. of Hematology, Rigshospitalet, Copenhagen, Denmark
⁴Dept. of Clinical Immunology, Odense University Hospital, Odense, Denmark
⁵Dept. of Clinical Immunology, Rigshospitalet, Copenhagen, Denmark
⁶Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
⁷Department of Clinical Genetics, Rigshospitalet, Copenhagen, Denmark
⁸Dept. of Clinical Genetics, Lund University, Lund, SWE
⁹Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden
¹⁰Dept. of Hematology, Righospitalet, Copenhagen, Denmark
¹¹Department of Hematology, Odense University Hospital, Odense, Denmark
¹²Dept. Hematology, Rigshospitalet, Copenhagen University, Copenhagen, Denmark

Hani Hassoun, MD¹, Susanna J Jacobus, MSc, MBA^2*, Paul G. Richardson, MD³, Jeffrey A. Zonder, MD⁴, Peter M. Voorhees, MD⁵, Jonathan L. Kaufman, MD⁶, Andrew J. Yee, MD⁷, Emma C. Scott, MD⁸, Pallawi Torka, MD⁹, Edward Libby, MD¹⁰, Brandi Reeves, MD¹¹, Michael L. Wang, MD¹², Larry D. Anderson Jr., MD, PhD¹³, Carter Milner, MD¹⁴, Cristina J. Gasparetto, MD^15*, Mounzer Agha¹⁶, Abdullah Khan, MBBS, MSc¹⁷, David Duane Hurd, MD¹⁸, David Avigan, MD¹⁹, Caitlin Costello, MD²⁰, Andrzej Jakubowiak, MD, PhD²¹, Sagar Lonial, MD⁶, Noopur Raje, MD²², Eva Medvedova, MD^8*, Philip L. McCarthy, MD²³, Robert Z. Orlowski, MD, PhD²⁴, Omar Nadeem, MD³, Jacob P Laubach, MD^3*, Marcelo C Pasquini, MD, MS²⁵, Sergio A. Giralt, MD, FACP, FASTCT^1*, Kelly Masone, BA^3*, Mehmet K. Samur, PhD^3*, Aurore Perrot, MD, PhD^26*, Philippe Moreau, MD^27*, Herve Avet-Loiseau, MD, PhD^28*, Edie A Weller, PhD^29*, Nikhil C Munshi, MD, PhD³ and Kenneth C. Anderson, MD³

¹Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
²Department of Data Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
³Department of Medical Oncology, Dana-Farber Cancer Institute, Jerome Lipper Center for Multiple Myeloma Research, Harvard Medical School, Boston, MA
⁴Barbara Ann Karmanos Cancer Institute / Wayne State University School of Medicine, Detroit, MI
⁵Plasma Cell Disorders Section, Department of Hematologic Oncology & Blood Disorders, Levine Cancer Institute, Atrium Health, Charlotte, NC
⁶Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA
⁷Center for Multiple Myeloma, Massachusetts General Hospital, Harvard Medical School, Boston, MA
⁸Knight Cancer Institute, Oregon Health & Science University, Portland, OR
⁹Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY
¹⁰Division of Medical Oncology, University of Washington and Fred Hutchinson Cancer Research Center, Seattle, WA
¹¹University of North Carolina at Chapel Hill, Chapel Hill, NC
¹²Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX
¹³Myeloma, Waldenstrom’s and Amyloidosis Program, Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX
¹⁴Division of Hematology and Oncology, University of Mississippi Medical Center, Jackson, MS
¹⁵Duke University Medical Center, Durham, NC
¹⁶UPMC Hillman Cancer Center, Pittsburgh, PA
¹⁷Division of Hematology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Columbus, OH
¹⁸Section of Hematology and Oncology, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, NC
¹⁹Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
²⁰Moores Cancer Center, University of California San Diego, La Jolla, CA
²¹University of Chicago Comprehensive Cancer Center, Chicago, IL
²²Massachusetts General Hospital, Boston, MA
²³Roswell Park Comprehensive Cancer Center, Buffalo, NY
²⁴Department of Lymphoma and Myeloma, MD Anderson Cancer Center, Houston, TX
²⁵22Center for International Blood and Marrow Transplant Research (CIBMTR), Division of Hematology/Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI
²⁶Hématologie, Institut Universitaire du Cancer de Toulouse (IUCT) Oncopole, Toulouse, France
²⁷University Hospital Hotel-Dieu, Nantes, France
²⁸Unit for Genomics in Myeloma, Institut Universitaire du Cancer de Toulouse-Oncopole, University Hospital, Toulouse, France
²⁹Division of Hematology and Oncology, Boston Children’s Hospital, Boston, MA

Laurent Garderet, MD, PhD¹, Luuk Gras^2*, Linda Koster^3*, Anita D'Souza, MD, MS⁴, Noel Estrada-Merly^5*, Parameswaran Hari, MD, MRCP⁶, Wael Saber, MD, MS⁵, Andrew J Cowan, MD⁷, Minako Iida, MD, PhD^8*, Shinichiro Okamoto^9*, Hiroyuki Takamatsu, MD, PhD¹⁰, Shohei Mizuno, MD, PhD^11*, Koji Kawamura^12*, Yoshihisa Kodera, MD^13*, Nada Hamad, MBBS, BSc, MSc¹⁴, Bor-Sheng Ko, MD, PhD^15*, Christopher Liam¹⁶, KIM Wah HO, MBBS, MRCP^17*, A Sim Goh^18*, S Keat Tan^18*, Alaa M. Elhaddad, MD¹⁹, Ali Bazarbachi, MD, PhD²⁰, Qamar un Nisa Chaudhry^21*, Rozan Alfar, MBBS^22*, Mohamed-Amine Bekadja^23*, Malek Benakli, MD, PhD²⁴, Cristobal Augusto Frutos Ortiz, MD^25*, Eloisa Riva, MD, MEd²⁶, Sebastian Galeano, MD²⁷, Francisca Bass, MD^28*, Hira S Mian, MD²⁹, Arleigh McCurdy, MD, BSc³⁰, Feng Rong Wang^31*, Daniel Neumann^32*, Mickey Koh, MD, PhD^33*, John A Snowden³⁴, Stefan Schönland^35*, Donal P. McLornan, MD, PhD^36*, Patrick John Hayden, MD³⁷, Anna Sureda³⁸, Hildegard T. Greinix, MD³⁹, Mahmoud Aljurf, MD⁴⁰, Yoshiko Atsuta^41* and Dietger Niederwieser, MD⁴²

¹Service Hematologie, Sorbonne Université, Hopital Pitié Salpêtière APHP, Paris, France
²EBMT Statistical Unit, Leiden, The Netherlands, Leiden, Netherlands
³EBMT Data Office, Leiden, Netherlands
⁴Department of medicine, medical college of Wisconsin, Milwaukee
⁵CIBMTR® (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI
⁶Medical College of Wisconsin, Milwaukee, WI
⁷Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA
⁸Aichi Medical University School of Medicine, Nagakute-cho, Aichi, JPN
⁹Keio university school of medicine, Tokyo, Japan
¹⁰​School of Entrepreneurial and Innovation Studies, Kanazawa University, Kanazawa, Japan
¹¹Department of Hematology, Aichi Medical University School of Medicine, Nagakute, AIC, Japan
¹²Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, SAI, Japan
¹³Department of Promotion for Blood and Marrow Transplantation, Aichi Medical University School of Medicine, Nagoya, Japan
¹⁴Department of Haematology, St Vincent's Hospital Sydney, Australia and St Vincent's Clinical School, Sydney, University of New South Wales, Sydney, NSW, Australia
¹⁵National Taiwan University Hospital, Taipei, Taiwan
¹⁶Hospital Ampang, Ampang, Selangor, Malaysia
¹⁷Ampang Hospital, Ampang Jaya, Malaysia
¹⁸Penang general hospital, Penang, Malaysia
¹⁹Department of Pediatric Oncology and Stem Cell Transplantation Unit, National Cancer Institute, Cairo University, Cairo, Egypt
²⁰American University of Beirut Dept. of Medicine, Beirut, Lebanon
²¹AFBMTC/NIBMT, Rawalpindi, Pakistan
²²King Hussein cancer center, Amman, ON, Jordan
²³Department of Hematology and Cell Therapy, EHU 1st Novembre 1954 Bir el Djir Usto, University Ahmed Benbella 1, Oran, Algeria
²⁴Centre Pierre et Marie Curie (CPMC), Algiers, Algeria
²⁵Hospital Central Del Instituto De Prevision Social, Asuncion, Paraguay
²⁶Cátedra de Hematología, Hospital de Clínicas, Facultad de Medicina, Montevideo, Montevideo, Uruguay
²⁷Hematology Department, British Hospital, Montevideo, Montevideo, Uruguay
²⁸Hospital del Salvador, Santiago, Chile
²⁹Department of Oncology, McMaster University, Hamilton, ON, Canada
³⁰Department of Medicine, Division of Hematology, The Ottawa Hospital, Ottawa, ON, Canada
³¹Peking University, Beijing, China
³²IMISE, university of Leipzig, Leipzig, Germany
³³Department of Haematology, St George's Hospital NHS Foundation Trust, London, United Kingdom
³⁴BSBMTCT, Department of Haematology, Sheffield Teaching Hospitals NHS Trust, Sheffield, United Kingdom
³⁵Department of Internal Medicine V, Amyloidosis Center, Heidelberg University Hospital, Heidelberg, Germany
³⁶Department of Haematology, Kings's College Hospital, London, ENG, United Kingdom
³⁷Department of Haematology, Trinity College Dublin, St. James's Hospital, Dublin 8, Leinster, Ireland
³⁸Institut Català d'Oncologia, Hospital Duran i Reynals. Institut d’Investigació Biomèdica de Bellvitge (IDIBELL). Universitat de Barcelona, Barcelona, Spain
³⁹Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
⁴⁰Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
⁴¹Japanese Data Center for Hematopoietic Cell Transplantation, Nagakute, Japan
⁴²University of Leipzig, Leipzig, Germany

Rena Feinman, PhD¹, Ariel A. Aptekmann, PhD^1*, Iriana Colorado, MSc^1*, Samuel Roy, BSc^1*, Joshua Zenreich, BA^2*, Sophia H. Dar, MD^1*, Adolfo Aleman, MD, CCRC^3*, Rashmi Unawane, MD^2*, Margaret Zhuang, Undergraduate Student^1*, Megan Korkoleo, BA^1*, Mariefel Vendivil, RN, BSN, OCN, CCRC^4*, Andrea Ricourt, BSN, RN^4*, Andrew McConnell, BA^4*, Phyllis McKiernan, APN, MSN, OCN^4*, Anqi Dai, MS^5*, Andrew L. Pecora, MD^2*, Noa Biran, MD³, David Samuel Siegel, MD, PhD⁶, Jonathan U. Peled, MD, PhD⁷ and Michele L. Donato, MD^4*

¹Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ
²John Theurer Cancer Center, Hackensack Meridian Health, Hackensack, NJ
³Division of Multiple Myeloma, John Theurer Cancer Center, Hackensack Meridian Health, Hackensack, NJ
⁴Stem Cell Transplantation and Cellular Therapy Program, John Theurer Cancer Center, Hackensack Meridian Health, Hackensack, NJ
⁵Department of Immunology, Memorial Sloan Kettering Cancer Center, New York, NY
⁶Division of Multiple Myeloma, John Theurer Cancer Center, Hackensack Meridian Health and Center for Discovery and Innovation, Hackensack, NJ
⁷Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, NY

Fengrong Wang^1*, Zhen Cai, PhD, MD^2*, Dehui Zou^3*, Wenming Chen, MD. PhD^4*, Yongping Song, M.D., Ph.D.^5*, Chengcheng Fu^6*, Jiong Hu, MD⁷, Ting Yang, MD, PhD⁸, Xinchuan Chen^9*, Jinsong Yan^10* and Kaiyan Liu, MD, PhD¹¹

¹Peking University People’s Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China, Beijing, China
²Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
³State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences &Peking Union Medical College, Tianjin, China
⁴Department of Hematology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
⁵Department of Hematology, the Affiliated Cancer Hospital of Zhengzhou University and the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
⁶Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
⁷Department of Hematology, RuiJin Hospital, Shanghai Jiao Tong University, Shanghai, China
⁸Department of Hematology, Fujian Institute of Hematology, Fujian Medical University Union Hospital, Fuzhou, China
⁹Department of Hematology, Institute of Hematology, West China Hospital of Sichuan University, Chengdu, China., Chengdu, China
¹⁰Department of Hematology, the Second Affiliated Hospital of Dalian Medical Unive, Dalian, Li, China
¹¹Peking University People's Hospital, Peking University Institute of Haematology, Beijing, China., Beijing, China

Joanna Drozd-Sokolowska^1*, Luuk Gras^2*, Nienke Zinger^3*, Jorge Sierra, MD, PhD⁴, Montserrat Rovira^5*, Urpu Salmenniemi, MD^6*, Teresa Zudaire, MD^7*, Arancha Bermúdez, MD^8*, Goda Choi, MD PhD MBA⁹, Matthew P. Collin, MD, PhD¹⁰, Martin Kaufmann, MD¹¹, Piotr Kozlowski^12*, Xavier Poiré, MD, PhD^13*, Josep-Maria Ribera, MD, PhD¹⁴, Antonia Sampol, MD¹⁵, Keith Wilson^16*, Michel A. Duchosal, MD¹⁷, Tobias Gedde-Dahl, MD^18*, Eric Deconinck, MD, PhD¹⁹, Milena Mirabile^20*, Kavita Raj^21*, Michel Van Gelder, MD, PhD²², Olivier Tournilhac, MD, PhD^23*, Donal P. McLornan, MD, PhD^24* and Ibrahim Yakoub-Agha, MD, PhD²⁵

¹Central Clinical Hospital, The Medical University of Warsaw, Warsaw, Poland
²EBMT Statistical Unit, Leiden, Netherlands
³EBMT Leiden Study Unit, Leiden, Netherlands
⁴Hospital Santa Creu Sant Pau, Barcelona, Spain
⁵BMT Unit, Hematology Department, ICMHO, IDIBAPS, Hospital Clinic, Josep Carreras Institute, Barcelona, Spain, Barcelona, Spain
⁶Stem Cell Transplantation Unit, HUCH Comprehensive Cancer Center, Helsinki, Finland, Helsinki, Finland
⁷Unidad de Ensayos Clínicos de Hematología Pabellón A, bajo., Pamplona, Spain, Pamplona, Spain
⁸Hematology Department, Hospital U. Marqués de Valdecilla, Santander, Spain, Santander, Spain
⁹Dept. of Hematology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
¹⁰Adult HSCT unit, Newcastle, United Kingdom, Newcastle, United Kingdom
¹¹Medical Centre, Robert-Bosch-Hospital,, Stuttgart, Germany
¹²Örebro University Hospital, Örebro, Sweden
¹³Section of Hematology, Cliniques Universitaires St-Luc, Brussels, Brussels, Belgium
¹⁴Clinical Hematology Department, Clinical Hematology Department. ICO_Hospital Germans Trias i Pujol. Josep Carreras Research Instoitute, Badalona, Spain
¹⁵Hospital Universitario Son Espases, Palma de Mallorca, Spain
¹⁶University Hospital of Wales, Cardiff, United Kingdom
¹⁷Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
¹⁸Rikshospitalet, Clinic for Cancer Medicine, Hematology Dept., Section for Stem Cell Transplantation, Oslo University Hospital, Oslo, Norway
¹⁹Service d`Hématologie, Hopital Jean Minjoz, Besancon, FRA
²⁰Unità Operativa Di Medicina Interna, Civitanove, Italy
²¹University College London Hospitals NHS Trust, London, United Kingdom
²²Department of Hematology, University Hospital Maastricht, Maastricht, Netherlands
²³CHU Estaing, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
²⁴Haematology Department, University College London Hospitals NHS Foundation Trust, London, United Kingdom
²⁵Univ Lille, CHU de Lille, INFINITE, INSERM U1286, 59000 Lille, Lille, France

Tamer Othman, MD^1*, Michelle A. Quan, MD², Shiliang Zhang, MD^3*, Daria Gaut, MD⁴, Patricia A. Young, MD⁴, Haifaa Abdulhaq, MD⁵, Kevin Shieh, MD^6*, Jack Reid, MD^7*, Elizabeth A Brem, MD⁶, Benjamin Heyman, MD⁸ and Joseph Tuscano, MD¹

¹University of California Davis Comprehensive Cancer Center, Sacramento, CA
²Department of Internal Medicine, University of California Davis School of Medicine, Sacramento, CA
³Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
⁴UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA
⁵Hematology/Oncology, University of California San Francisco-Fresno, Fresno, CA
⁶University of California Irvine, Division of Hematology and Oncology, Department of Medicine, Orange, CA
⁷University of California Irvine Department of Pathology and Laboratory Medicine, Orange, CA
⁸Moores Cancer Center, University of California, San Diego, La Jolla, CA

Mafruha Akter, FCPS^1*, Abu Jafar Mohammed Saleh, FCPS², Col Md Mosleh Uddin, FCPS^3*, Col Md Mostafil Karim, FCPS^3*, Quazi Smita Haq, FCPS^2* and Mohiuddin Ahmed Khan, FCPS, FRCP¹

¹Hematology & BMT, Dhaka Medical College & Hospital, Dhaka, Bangladesh
²Hematology and stem cell transplant, Evarcare Hospital Dhaka, Dhaka, Bangladesh
³Bone Marrow Transplant Center, Combined Military Hospital, Dhaka, Bangladesh

Moisés Manuel Gallardo-Pérez, MD^1,2*, Javier Garcés-Eisele, PhD^2,3* and Guillermo José Ruiz-Argüelles, MD, FRCP (Glasg), MACP, DSc(hc), FRCP⁴

¹Centro de Hematología y Medicina Interna, Clínica Ruiz, Puebla, Mexico
²Universidad Popular Autónoma del Estado de Puebla, Puebla, Mexico
³SYNLAB, Puebla, Mexico
⁴Centro de Hematología y Medicina Interna, Clínica Ruiz, Puebla, PU, Mexico

Taiga Nishihori, MD¹, Ciara L. Freeman, MSc, FRCPath, MBBChir, MRCP², Doris K. Hansen, MD¹, Brandon J. Blue, MD³, Omar Alexis Castaneda Puglianini, MD², Jongphil Kim, PhD^4*, Ariel F Grajales-Cruz, MD⁵, Jason Brayer, MD, PhD⁵, Jose Ochoa, MD⁶, Hien D. Liu, MD¹, Kenneth H. Shain, MD, PhD⁵, Rachid C. Baz, MD⁷, Frederick L. Locke, MD⁸ and Melissa Alsina, MD**^1,9

¹Department of Blood and Marrow Transplant and Cellular Immunotherapy, H. Lee Moffitt Cancer Center, Tampa, FL
²Department of Blood and Marrow Transplant and Cellular Immunotherapy, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL
³Department of Malignant Hematology, Moffitt Cancer Center, Tampa, FL
⁴Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center and Research Institutte, Tampa, FL
⁵Department of Malignant Hematology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL
⁶Department of Blood & Marrow Transplant and Cellular Immunotherapy, Moffitt Cancer Center, Tampa, FL
⁷Department of Malignant Hematology, Moffitt cancer center and research institute, tampa, FL
⁸H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL
⁹Moffitt Cancer Center, Tampa, FL

Yarden Cohen^1*, Eyal Lebel^2,3*, Eran Zimran^4*, Adir Shaulov^3,4*, Polina Stepensky^4*, Sigal Grisariu Greenzaid, MD^4* and Batia Avni^4*

¹Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
²Department of Bone Marrow Transplantation & Cancer Immunotherapy department,, Hadassah Medical Center and Faculty of Medicine, Hebrew University, Jerusalem, Israel
³Department of Hematology, Hadassah Medical Center and Faculty of Medicine, Hebrew University, Jerusalem, Israel
⁴Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah Medical Center and Faculty of Medicine, Hebrew University, Jerusalem, Israel