Patrick Squires, PharmD, PhD^1*, Scott F. Huntington, MD, MPH², Justin Puckett, BA^3*, Katherine Elizabeth Ryland, PhD¹, Sachin Kamal-Bahl, PhD^4*, Monika Raut, MS, PhD^5* and Jalpa Doshi, PhD^6*

¹Merck & Co., Inc., Kenilworth, NJ
²Department of Internal Medicine, Section of Hematology, Yale University School of Medicine, New Haven, CT
³COVIA Health Solutions, Philadelphia, PA
⁴COVIA Health Solutions, Lansdale, PA
⁵Center for Observational and Real-World Evidence, Merck & Co., Inc., Rahway, NJ
⁶Division of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA

Enrico De Nigris^1*, Scott F. Huntington, MD, MPH², Justin Puckett, BA^3*, Sachin Kamal-Bahl, PhD^4*, Mohammed Z.H. Farooqui, DO¹, Katherine Elizabeth Ryland, PhD⁵, Eric Sarpong, PhD^1*, Xiaoqin Yang, PhD^1* and Jalpa Doshi, PhD^6*

¹Merck & Co., Inc., Rahway, NJ
²Department of Internal Medicine, Section of Hematology, Yale University School of Medicine, New Haven, CT
³COVIA Health Solutions, Philadelphia, PA
⁴COVIA Health Solutions, Lansdale, PA
⁵Merck & Co., Inc., Kenilworth, NJ
⁶Division of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA

Noemie Gadaud, MD^1*, Carlos Gomez Roca, MD^2*, Loic Ysebaert, MD, PhD^3*, Aurore Perrot, MD, PhD^4*, Myriam Estrabaut^5*, Muriel Poublanc^5*, Iphigenie Korakis, MD^6*, Christian Recher, MD⁷, Jean Pierre Delord, MD, PhD^5*, Thomas Filleron, PhD^8* and Pierre Bories, MD^9*

¹Institut Universitaire Du Cancer De Toulouse-Oncopole, Toulouse, FRA
²Institut Universitaire du Cancer de Toulouse, TOULOUSE, France
³Hematology Department, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France
⁴Institut Universitaire du Cancer de Toulouse Oncopole, Toulouse, France
⁵Institut Universitaire du Cancer de Toulouse, Toulouse, France
⁶Institut Universitaire du Cancer de Toulouse (IUCT), Oncopole, Toulouse, France
⁷Service d'Hématologie, CHU de Toulouse - Institut Universitaire du Cancer de Toulouse Oncopole, Toulouse, France
⁸Biostatistic Unit, Institut Claudius Regaud, Institut universitaire du cancer Toulouse- Oncopole, Toulouse, France
⁹Department of Hematology, Toulouse University Institute of Cancer, Toulouse, France

Tommy Etekal^1*, Kelly Koehn, MD², Douglas W. Sborov, MD³, Brian McClune, DO^4*, Vinay Prasad^5*, Alyson Haslam^5*, Katherine Berger^6*, Christopher Booth, MD^7*, Samer Al Hadidi, MD, MSc⁸, Al-Ola Abdallah, MD⁹, Aaron M Goodman¹⁰ and Ghulam Rehman Mohyuddin, MD¹¹

¹Umea University, Umea, Sweden
²University of Kansas, Kansas City
³Huntsman Cancer Institute, University of Utah School of Medicine, Salt Lake City, UT
⁴Division of Hematology and Hematologic Malignancies, University of Utah, Salt Lake City
⁵University of California San Francisco, San Francisco, CA
⁶Unaffiliated- Independent Patient Advocate, Hartford
⁷Queen’s University Cancer Research Institute, Division of Cancer Care and Epidemiology, Kingston, ON, Canada
⁸Myeloma Center, Winthrop P. Rockefeller Institute, Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
⁹Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Westwood, KS
¹⁰University of California San Diego Moores Cancer Center, San Diego, CA
¹¹Huntsman Cancer Institute, University of Utah Health, Salt Lake City, UT

Adil Mohyudin, MD^1*, Diana Almader-Douglas^2*, Jose F. Leis, MD, PhD³ and Talal Hilal, MD⁴

¹Department of Internal Medicine, University of Mississippi Medical Center, Jackson, MS
²Mayo Clinic, Phoenix, AZ
³Division of Hematology and Medical Oncology, Mayo Clinic, Phoenix, AZ
⁴Division of Hematology/Oncology, University of Mississippi Medical Center, Flowood, MS

Urvi A Shah, MD¹, Francesca Castro, MS^2*, Aishwarya Anuraj, MBBS^3*, Eliana Schach, BA^4,5*, Andriy Derkach, PhD^6*, Nisha S. Joseph, MD⁷, Peter A. Adintori, MS, RD, CSO, CDN, CNSC^8*, Laura Guttentag^9*, Jenna Blaslov, RN^3*, Justin R Cross, PhD^10*, Kylee H Maclachlan, MBBCh, PhD³, Sham Mailankody, MBBS ¹¹, Neha Korde, MD³, Carlyn Tan, MD³, Malin Hultcrantz, MD, PhD³, Hani Hassoun, MD³, Oscar B Lahoud, MD¹², Gunjan L. Shah, MD¹², Michael Scordo, MD¹³, Jonathan U. Peled, MD, PhD⁸, David J. Chung, MD, PhD¹², Heather Landau, MD¹², Jun J Mao, MD, MSCE^14*, Neil M. Iyengar, MD^15*, Saad Usmani, MD³, Sergio A Giralt, MD¹⁶, Marcel R M van den Brink, MD, PhD⁸ and Alexander M Lesokhin, MD³

¹Myeloma Service, Division of Hematologic Malignancies, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
²Myeloma Service, Memorial Sloan Kettering Cancer Center, New York, NY
³Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
⁴Myeloma Service, Memorial Sloan Kettering Cancer Center, Bridgewater, NJ
⁵Rutgers Robert Wood Johnson University Medical School, New Brunswick, NJ
⁶Department of Biostatistics and Epidemiology, Memorial Sloan Kettering Cancer Center, New York, NY
⁷Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Louisville, KY
⁸Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, NY
⁹Memorial Sloan Kettering Cancer Center, New York, NY
¹⁰Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY
¹¹Myeloma Service, Department of Medicine, Optimed Clinic in National Cancer Institute of Ukraine, New York, NY
¹²Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
¹³Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center/New York, New York, NY
¹⁴Memorial Sloan Kettering Cancer Center, New York
¹⁵Department of Medicine, Breast Service, Memorial Sloan Kettering Cancer Center, New York, NY
¹⁶Adult Bone Marrow Transplantation Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY

Monia Marchetti, MD, PhD^1*, Annalisa Chiappella, MD², Maria Guarino, MD^3*, Giorgia Gobbi^4*, Massimo Martino^5*, Andrés J M Ferreri, MD⁶, Luca Fumagalli, MD^7*, Riccardo Saccardi, MD⁸, Mauro Montanari, MD^9*, Maurizio Martelli, MD^10*, Francesco Merli, MD^11* and Pier Luigi Zinzani, MD, PhD¹²

¹on behalf of the SIE (Italian Society of Hematology), GITMO, and SIDEM Guideline Working Group., AZ OSP SS ANTONIO e BIAGIO e CESARE ARRIGO, ALESSANDRIA, ALESSANDRIA, AL, Italy
²Division of Hematology & Stem Cell Transplant, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Milano, Italy
³Neuro AOU, IRCCS Policlinico S'Orsola, Bologna, Italy
⁴Istituto Nazionale dei Tumori di Milano, Milan, Italy
⁵Stem Cell Transplantation and Cellular Therapies Unit, Grande Ospedale Metropolitano “Bianchi-Melacrino-Morelli”, Reggio Calabria, Italy
⁶Onco-Hematology Department, Fondazione Centro San Raffaele, Milan, Italy
⁷Intensive Care Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
⁸Azienda Ospedaliero Universitaria Careggi, Firenze, Italy
⁹Ancona, Ancona, ITA
¹⁰Hematology, Department of Translational and Precision Medicine, Azienda Ospedaliera Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
¹¹Arcispedale Santa Maria Nuova, Division of Hematology, REGGIO EMILIA, AL, Italy
¹²University of Bologna, Istituto Di Ematologia, Bologna, Italy

Kalatu R. Davies, PhD^1*, Rajesh Kamalakar, MS^1*, Junhua Yu, PhD^1*, Yinan Huang, MS^1,2*, Anthony Wang, PhD, MPH^1*, Kavita Sail, PhD^1*, Thomas Doerr, MS^1*, Simon Sharmokh, PharmD, MPH^1*, Alex Mutebi, PhD^3* and Gilles Salles, MD, PhD⁴

¹AbbVie, Inc., North Chicago, IL
²University of Houston, Houston, TX
³Genmab, Princeton, NJ
⁴Memorial Sloan Kettering Cancer Center, New York, NY

Clarissa Skorupski, MD¹, Turab Mohammed, MD², Benjamin Chin-Yee, MD, FRCPC, MA^3,4, Bishal Gyawali, MD, PhD^5*, Gary H. Lyman, MD^6,7, Nicole M. Kuderer, MD, MSc#⁸ and Lisa K. Hicks, MD, MSc#⁹

¹Department of Medicine, University of Toronto, Toronto, ON, Canada
²USF Morsani School of Medicine, Moffitt Cancer Center, Tampa, FL
³Division of Hematology, Department of Medicine, London Health Sciences Centre, London, ON, Canada
⁴Division of Hematology, Department of Medicine, Schulich School of Medicine, Western University, London, ON, Canada
⁵Department of Oncology, Queen's University, Kingston, ON, Canada
⁶Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
⁷Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA
⁸Advanced Cancer Research Group, Seattle, WA
⁹Division of Hematology/Oncology, St. Michael's Hospital, Toronto, ON, Canada

Jackie Jin Lin, BS^1*, Erica Evans, MD^2*, Kathleen Praxedes, LCSW^3*, Chika Ihenakwe, BA^1*, Anya Platt, MD^2*, Anurag K. Agrawal, MD^4* and Lena E. Winestone, MD⁵

¹School of Medicine, University of California San Francisco, San Francisco, CA
²Department of Pediatrics, University of California San Francisco, San Francisco, CA
³University of California San Francisco, Benioff Children's Hospital, San Francisco, CA
⁴Division of Oncology, Department of Pediatrics, UCSF Benioff Children's Hospital Oakland, Oakland, CA
⁵Division of Pediatric Allergy, Immunology, and Bone Marrow Transplantation, University of California San Francisco, Benioff Children's Hospital, San Francisco, CA

Sikander Ailawadhi¹, Shelby Sullivan, PharmD^2*, Jeffrey D Carter, PhD^2* and Cherilyn Heggen, PhD^2*

¹Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL
²PRIME Education, LLC, Fort Lauderdale, FL

Urvi A Shah, MD¹, Andriy Derkach, PhD^2*, Francesca Castro, MS^1*, Aishwarya Anuraj, MBBS^1*, Jenna Blaslov, RN^1*, Linh Tran, RN^3*, Peter A. Adintori, MS, RD, CSO, CDN, CNSC^4*, Miranda Burge^1*, Sharon Funkhouser, RN^5*, Kinga Hosszu, PhD^6*, Justin R Cross, PhD^7*, Michael N. Pollak, MD^8*, Devin P. McAvoy^6*, David Nemirovsky, MS^9*, Kylee H Maclachlan, MBBCh, PhD¹, Sham Mailankody, MBBS ¹⁰, Neha Korde, MD¹¹, Carlyn Tan, MD¹, Malin Hultcrantz, MD, PhD¹, Dhwani Patel, MD^1*, Hani Hassoun, MD¹, Gunjan L. Shah, MD^12*, Michael Scordo, MD⁴, Oscar B Lahoud, MD¹⁰, David J. Chung, MD, PhD¹⁰, Marius E Mayerhoefer, MD, PhD^13*, Jonathan U. Peled, MD, PhD^4*, Heather Landau, MD¹⁰, Anita D'Souza, MD, MS¹⁴, Ola Landgren, MD¹⁵, Sergio A. Giralt, MD, FACP, FASTCT^16*, Neil M. Iyengar, MD^17*, Saad Usmani, MD¹⁸, Marcel R M van den Brink, MD, PhD⁴ and Alexander M Lesokhin, MD¹

¹Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
²Department of Biostatistics and Epidemiology, Memorial Sloan Kettering Cancer Center, New York, NY
³Department of Medicine, Myeloma Service, Memorial Sloan Kettering Cancer Center, New York, NY
⁴Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, NY
⁵Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
⁶Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY
⁷Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY
⁸Segal Cancer Center, Jewish General Hospital, Montreal, QC, Canada
⁹Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
¹⁰Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
¹¹Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, NY, NY
¹²Department of Medicine, Adult Bone Marrow Transplant Service, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, NY
¹³Department of Radiology, Memorial Sloan Kettering Cancer Center, New York
¹⁴Center for International Blood and Marrow Transplant Research, Department of Medicine, The Medical College of Wisconsin Inc., Milwaukee, WI
¹⁵Myeloma Service, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
¹⁶Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, NY
¹⁷Department of Medicine, Breast Service, Memorial Sloan Kettering Cancer Center, New York, NY
¹⁸Myeloma Service, Memorial Sloan Kettering Cancer Center, New York

Prajwal Dhakal, MBBS¹, Christopher Wichman^2*, Bunny Pozehl^2*, Meaghann S. Weaver, MD^3*, Alfred L Fisher^3*, Julie M. Vose, MD, MBA⁴, Gregory R Bociek, MD⁵ and Vijaya Raj Bhatt, MBBS, MS^6*

¹University of Iowa, Iowa city, IA
²University of Nebraska Medical Center, Omaha, NE
³University of Nebraska Medical Center, Omaha
⁴Division of Hematology & Oncology, Department of Internal Medicine, University of Nebraska Medical Center - Fred and Pamela Buffett Cancer Center, Omaha, NE
⁵Division of Hematology & Oncology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE
⁶The Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE

Seema Patel, PharmD^1*, Danielle Cenin, PharmD^1*, Donna Corrigan^2*, Betty K. Hamilton, MD¹, Matt Kalaycio, MD¹, Ronald M. Sobecks, MD³, Faiz Anwer, MD⁴, Jack Khouri, MD¹, Robert M. Dean, MD¹, Allison Winter, MD¹, Deepa Jagadeesh, MD³, Brad Pohlman, MD¹, Brian T. Hill, MD, PhD¹, Craig S. Sauter, MD^5* and Paolo F. Caimi, MD⁶

¹Blood and Marrow Transplant Program, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH
²Blood and Marrow Transplant Program, Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland
³Cleveland Clinic, Cleveland, OH
⁴Blood and Marrow Transplant Program, Taussig Cancer Institute, Cleveland Clinic, Cleveland Clinic
⁵Blood and Marrow Transplant Program, Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH
⁶Blood and Marrow Transplant Program, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH

Mahek Garg, PhD^1*, Ambika Satija, ScD^2*, Yan Song, PhD^3*, Eric Sarpong, PhD^4*, Ben Meade, BA^5*, Esteban Lemus-Wirtz, BA^6*, Katherine Gaburo, BA^2*, James E. Signorovitch, PhD^7*, Monika Raut, MS, PhD^1*, Katherine Elizabeth Ryland, PhD⁸ and Samhita Chakraborty, MD⁹

¹Center for Observational and Real-World Evidence, Merck & Co., Inc., Rahway, NJ
²Analysis Group, Inc., Boston, MA
³Analysis Group, Boston, MA
⁴Merck & Co., Inc., Rahway, NJ
⁵Analysis Group, Inc., Paris, France
⁶Analysis Group, Inc., Boston
⁷Analysis Group Inc., Boston, MA
⁸Merck & Co., Inc., Kenilworth, NJ
⁹Merck & Co., Inc., Chatham, NJ

Daniele Derudas^1*, Maria Pina Simula^2*, Stefania Massidda^3*, Daniela Dessì^2*, Sara Veronica Usai^2*, Giuseppe Longhitano^3*, Daniela Ibba^3*, Loredana Aracu^2* and Giorgio La Nasa, MD^4*

¹Ospedale Oncologico "A. Businco", Struttura Complessa di Ematologia e Centro Trapianto Cellule Staminali Emopoieti, Cagliari, Italy
²Ospedale Oncologico "A. Businco", Struttura Complessa di Ematologia e Centro Trapianto Cellule Staminali Emopoietiche, Cagliari, Italy
³Ospedale Oncologico "A. Businco", Struttura Complessa di Ematologia e Centro Trapianti Cellule Staminali Emopoietiche, Cagliari, Italy
⁴Struttura Complessa di Ematologia e Centro Trapianto Cellule Staminali Emopoietiche, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy

Wael Toama, MD¹, Bhaskar Kolla, MBBS², Jason Hoiness, PharmD^3*, Peter Hurley, MD^4*, Arkadiusz Dudek, MD, PhD^3*, Sally Gustafson^5* and Balkrishna Jahagirdar, MBBS³

¹Hematology, Oncology and Transplantation, University of Minnesota, MINNEAPOLIS, MN
²Regions Cancer Care Center, Eagan, MN
³Regions Cancer Care Center, St. Paul, MN
⁴Regions Cancer Care Center, Saint Paul, MN
⁵HealthPartners Institute, Minneapolis, MN

Matthew S. Davids, MD¹, Shelby Sullivan, PharmD^2*, Jeffrey D Carter, PhD^2* and Cherilyn Heggen, PhD^2*

¹Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
²PRIME Education, LLC, Fort Lauderdale, FL