Asahito Hama^1*, Nao Yoshida, MD, PhD^1*, Daisuke Hasegawa, MD, PhD^2*, Motohiro Kato, MD, PhD^3*, Kenichiro Watanabe, MD, PhD^4*, Daiichiro Hasegawa, MD, PhD⁵, Tetsuya Nishida, MD, PhD^6*, Noriko Doki, MD, PhD⁷, Maho Sato, MD, PhD^8*, Yasushi Onishi, MD, PhD^9*, Takuro Nishikawa, MD, PhD^10*, Hiroshi Tujimoto, MD, PhD^11*, Katsuyoshi Koh, MD, PhD^12*, Tetsuya Mori, MD, PhD^13*, Koji Kato, MD, PhD^14*, Yoshiko Hashii, MD, PhD¹⁵, Atsushi Sato, MD, PhD^16*, Ken Tabuchi, MD, PhD^17*, Jun Aoki, MD, PhD^18* and Shohei Yamamoto, MD, PhD^19*

¹Department of Hematology and Oncology, Children's Medical Center, Japanese Red Cross Aichi Medical Center Nagoya First Hospital, Nagoya, JPN
²Department of Pediatrics, St. Luke's International Hospital, Tokyo, JPN
³Department of Pediatrics, Tokyo University, Tokyo, JPN
⁴Department of Hematology and Oncology, Shizuoka Children's Hospital, Shizuoka, SHZ, JPN
⁵Hematology and Oncology,, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan
⁶Department of Hematology, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital, Nagoya, Japan
⁷Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
⁸Department of Hematology/Oncology, Osaka Women's and Children's Hospital, Izumi, JPN
⁹Department of Hematology, Tohoku University Hospital, Sendai, Japan
¹⁰Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Hospital, Kagoshima, JPN
¹¹Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
¹²Department of Hematology/Oncology, Saitama Children's Medical Center, Saitama, Japan
¹³Department of Pediatrics, St. Marianna University School of Medicine, Kanagawa, JPN
¹⁴Central Japan Cord Blood Bank, Seto, JPN
¹⁵Department of Pediatrics, Osaka International Cancer Institute, Osaka, JPN
¹⁶Department of Hematology and Oncology, Miyagi Children's Hospital, Sendai, Japan
¹⁷Japanese Data Center for Hematopoietic Cell Transplantation, Nagakute, Japan
¹⁸Department of Hematology, Kanto Rosai Hospital, Kawasaki, Japan
¹⁹Department of Pediatrics, Tokai University Hospital, Isehara, JPN

Hermioni L Amonoo, MD^1,2,3, Michelle Guo, MD^2*, Elizabeth Daskalakis, BA^2*, Emma Deary, BA^2*, Stephanie J. Lee⁴, Thomas W LeBlanc, MD⁵, Jeff C. Huffman, MD^6* and Areej El-Jawahri, MD⁶

¹Harvard Medical School, Boston, MA
²Brigham and Women's Hospital, Boston, MA
³Dana-Farber Cancer Institute, Boston, MA
⁴Fred Hutchinson Cancer Center, Seattle, WA
⁵Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC
⁶Massachusetts General Hospital, Boston, MA

Shokichi Tsukamoto, MD, PhD¹, Kenji Kimura, MD, PhD^2*, Sanshiro Nakao, MD, PhD^1*, Yusuke Takeda, MD, PhD^1*, Chikako Ohwada, MD, PhD^1,3, Ryo Shimizu, MD, PhD^4*, Yuhei Nagao, MD, PhD^2*, Katsuhiro Shono, MD, PhD^2*, Masahiro Onoda, MD, PhD^2*, Akira Yokota, MD, PhD^2*, Hironori Arai, MD^5*, Yoshikazu Utsu, MD^5*, Shinichi Masuda, MD, PhD^6*, Nobuyuki Aotsuka, MD, PhD^5*, Yuki Shiko^7*, Yoshihito Ozawa^7*, Arata Ishii, MD, PhD^1*, Shinichiro Matsui, MD, PhD^8*, Koji Takaishi, MD, PhD^1*, Yutaro Hino, MD, PhD^1*, Kensuke Kayamori^1*, Nagisa Oshima-Hasegawa, MD, PhD^1*, Shio Mitsukawa, MD, PhD^9*, Tomoya Muto, MD, PhD^1*, Naoya Mimura, MD, PhD⁹, Chiaki Nakaseko, MD, PhD³ and Emiko Sakaida, MD, PhD¹

¹Department of Hematology, Chiba University Hospital, Chiba, Japan
²Department of Hematology, Chiba Aoba Municipal Hospital, Chiba, Japan
³Department of Hematology, International University of Health and Welfare School of Medicine, Narita, Japan
⁴Department of Hematology, Asahi General Hospital, Asahi, Japan
⁵Department of Hematology and Oncology, Japanese Red Cross Narita Hospital, Narita, Chiba, Japan
⁶Department of Hematology and Oncology, Japanese Red Cross Narita Hospital, Narita, Japan
⁷Clinical Reserch Center, Chiba University Hospital, Chiba, Japan
⁸Department of Hematology, Chiba University Hospital, Chiba-Shi, Japan
⁹Department of Transfusion Medicine and Cell Therapy, Chiba University Hospital, Chiba, Japan

Maryam Rafati, MD, PhD^1*, Lisa J. McReynolds, MD, PhD², Youjin Wang^1*, Casey Dagnall^3*, Belynda Hicks^3*, Kristine Jones^4*, Stephen R. Spellman, MBS^5*, Meilun He, MPH^6*, Yung-Tsi Bolon, PhD^6*, Stephanie J. Lee⁷, Sharon A Savage, MD¹ and Shahinaz M. Gadalla, MD, PhD¹

¹Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD
²National Cancer Institute, Rockville, MD
³CancerGenomics Research Laboratory, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville
⁴Leidos Biomedical, Inc., Gaithersburg, MD
⁵CIBMTR® (Center for International Blood and Marrow Transplant Research), National Marrow Donor Program/Be The Match, Minneapolis, MN
⁶CIBMTR® (Center for International Blood and Marrow Transplant Research), National Marrow Donor Program/Be The Match, Minneapolis
⁷University of Washington, Seattle, WA

Elizabeth Kathryn Herrity, CNP^1,2*, Tommy Alfaro, MD^1,2*, Mariana Pinto Pereira, MD^1,2*, Igor Novitzky-Basso, MD^1,2*, Wilson Lam, MD^1,2, Ivan Pasic, MD^1,2*, Fotios Michelis, MD, PhD^1,2*, Arjun D. Law, MD^1,2*, Auro Viswabandya, MD^2,3, Adam Smith, PhD^1,2*, Anne Maria Tierens, MD, PhD^1,2, Armin Gerbitz, MD, PhD^1,2*, Rajat Kumar, MD, FRCPC^2,3, Jonas Mattsson, MD, PhD^2,4* and Dennis D. H. Kim^1,2

¹Hans Messner Allogeneic Blood and Marrow Transplant Program, Princess Margaret Cancer Centre, Toronto, Canada
²University of Toronto, Toronto, Canada
³Princess Margaret Cancer Centre, Toronto, Canada
⁴Hans Messner Allogeneic Transplant Program, Princess Margaret Cancer Centre, Toronto, Canada

Ayman Sayyed, BMBS, MRCP^1*, Hyewon Lee^2*, Taehyung Simon Kim^2*, Jaeyoon John Kim^2*, Danielle Pyne^2*, Nathali Kaushansky, PhD^3*, Yardena Brilon^3*, Noa Chapal-Ilani^3*, Tamir Biezuner^3*, Liran I. Shlush, MD, PhD^3*, Jan Storek, MD, PhD⁴ and Dennis Dong Hwan Kim, MD, PhD²

¹Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Riyadh, Saudi Arabia
²Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
³Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
⁴The University of Calgary Department of Medicine, Calgary, Canada

Sina Alexandra Beer, MD^*, Johanna Blaettel^*, Kristina Reuss, MD^*, Jan Christian Schröder, MD^*, Wichard Vogel, MD^*, Christoph Faul, MD, Wolfgang Andreas Bethge, MD^* and Claudia Lengerke, MD

Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology and Rheumatology, University Hospital Tuebingen, Tuebingen, Germany

Ioannis Politikos, MD^1,2, Warren B Fingrut, MD², Samantha Brown^3*, Stephanie Chinapen^4*, Sean Quach, BSc^5*, Parastoo B. Dahi, MD^6,7*, Boglarka Gyurkocza, MD^2,7, Ann A. Jakubowski, MD, PhD⁸, Esperanza B. Papadopoulos, MD^2,7, Doris M. Ponce, MD, MS^7,9, Roni Tamari, MD², Miguel-Angel Perales, MD^2,10, Andromachi Scaradavou, MD¹¹ and Juliet N Barker, MBBS¹

¹Department of Medicine, Weill Cornell Medicine, New York
²Adult Bone Marrow Transplantation Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
³Department of Biostatistics and Epidemiology, Memorial Sloan Kettering Cancer Center, New York, NY
⁴Adult Bone Marrow Transplantation Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York
⁵Memorial Sloan Kettering Cancer Center, New York
⁶Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
⁷Department of Medicine, Weill Cornell Medical College, New York, NY
⁸Memorial Sloan-Kettering Cancer Ctr., New York, NY
⁹Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, NY
¹⁰Department of Medicine, Weill Cornell Medical College, New York
¹¹Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY

Jong Hyuk Lee, MD^1*, Jae-Ho Yoon, MD², Daehun Kwag^3*, Gi-June Min^2*, Sung-Soo Park^2*, Silvia Park^4*, Sung-Eun Lee, MD^5*, Byung-Sik Cho^2*, Ki-Seong Eom^2*, Yoo-Jin Kim², Heeje Kim, MD, PhD⁶, Chang-Ki Min^2*, Seok-Goo Cho^2*, Jong-Wook Lee, MD⁷ and Seok Lee²

¹Department of Hematology, Incheon St.Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
²Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of (South)
³Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, Th, Seoul, South Korea
⁴Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, AL, South Korea
⁵Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Houston, TX
⁶Department of Hematology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of (South)
⁷Department of Hematology, Seoul St. Mary's Hospital Catholic University of Korea, Seoul, South Korea

Michael Radford, MD, BSc^1*, Alejandro Garcia-Horton, MD², Rohail Badami^3*, Elaine Jin^4*, Nida Javed Usmani, MBBS^5*, Daria Grafodatskaya^6,7*, Elizabeth McCready, PhD^6,8*, Dina Khalaf, MSc, MBBS⁹, Irwin Walker, MBBS⁹, Brian Leber, MD¹⁰, Kylie L. Lepic, MD^9*, Gregory Pond^11,12* and Tobias Berg, MD^2,13,14

¹Department of Oncology, Juravinski Hospital and Cancer Centre, Hamilton, ON, Canada
²Department of Oncology, McMaster University, Hamilton, ON, Canada
³Department of Interdisciplinary Science, McMaster University, Hamilton, ON, Canada
⁴Department of Medicine, McMaster University, Hamilton, ON, Canada
⁵CHU St Justine, Montreal, QC, CAN
⁶Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
⁷Hamilton Regional Laboratory Medicine Program, Hamilton Health Sciences, Hamilton, ON, Canada
⁸Genetic Laboratory, Hamilton Regional Laboratory Medicine Program, Hamilton Health Science, Hamilton, ON, Canada
⁹Juravinski Cancer Centre, McMaster University, Hamilton, ON, Canada
¹⁰Division of Hematology, Juravinski Cancer Center, Hamilton, ON, Canada
¹¹Juravinski Cancer Center, Hamilton, ON, Canada
¹²Escarpment Cancer Research Institute, McMaster University, Hamilton, ON, Canada
¹³Escarpment Cancer Research Institute, Hamilton Health Sciences / McMaster University, Hamilton, ON, Canada
¹⁴Centre for Discovery in Cancer Research, McMaster University, Hamilton, ON, Canada

Zhihui Li^1*, Teng Xu^2*, Xianxuan Wang^1*, Xiaopei Wen^1*, Lei Wang^1*, Jingjing Wang^1* and Tong Wu, MD³

¹Department of Bone Marrow Transplantation, Beijing Gaobo Boren Hospital, Beijing, China
²Department of Data Management, Beijing Gaobo Boren Hospital, Beijing, China
³Department of Bone Marrow Transplantation, Beijing Gobroad Boren Hospital, Beijing, China

Ka Young Kim, MD^1*, Daehun Kwag^2*, Gi-June Min^2*, Sung-Soo Park^2*, Silvia Park^1*, Jae-Ho Yoon, MD², Sung-Eun Lee, MD^3*, Ki-Seong Eom^2*, Yoo-Jin Kim², Seok Lee², Chang-Ki Min^2*, Seok-Goo Cho^2*, Jong-Wook Lee, MD⁴, Byung-Sik Cho^2* and Heeje Kim, MD, PhD⁵

¹Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, AL, South Korea
²Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of (South)
³Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Houston, TX
⁴Department of Hematology, Seoul St. Mary's Hospital Catholic University of Korea, Seoul, South Korea
⁵Department of Hematology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of (South)