Ruth A.L. Willems, MD, MSc^1,2,3*, Mark Roest^4*, Judith de Vos-Geelen, MD, PhD^1,5*, Bas de Laat, PhD^2,6* and Hugo Ten Cate, MD^7,8

¹Maastricht University Medical Center, Maastricht, Netherlands
²CARIM, School for Cardiovascular Diseases, Maastricht University Medical Center, Maastricht, Netherlands
³Synapse Research Institute, Maastricht, GU, Netherlands
⁴Department of Platelet Pathophysiology, Synapse Research Institute, Maastricht, Netherlands
⁵GROW, Maastricht University Medical Center, Maastricht, Netherlands
⁶Synapse Research Institute, Maastricht, Netherlands
⁷Maastricht University Medical Center, Maastricht, NLD
⁸CARIM, School for Cardiovascular Diseases, Maastricht University Medical Center, maastricht, Netherlands

Valery J Kogler, MD¹, Jeffrey Miles^2*, Hasan Tahsin Ozpolat, MD^3*, Shawn Bailey, BS^2*, Daire Byrne^4*, Morgan Bawcom-Randall^5*, Yi Wang^6*, Hannah Larsen^5*, Franklin Reed^7*, Xiaoyun Fu^8* and Moritz Stolla, MD^9,10

¹University of Virginia, Charlottesville
²Bloodworks NW, Seattle, WA
³Department of Medicine, University of Arizona, Tucson, AZ
⁴Bloodworks NW Research Institute, Seattle, WA
⁵Bloodworks NW Research Institute, Seattle
⁶BloodworksNW Research Institute, Seattle
⁷Bloodworks Research Institute, Seattle, WA
⁸Bloodworks Northwest Research Institute, Seattle
⁹Bloodworks Northwest Research Institute, Seattle, WA
¹⁰Department of Medicine, Division of Hematology, University of Washington, Seattle, WA

Fernanda Carvalho Poyraz, MD, PhD^1*, Mohamed Ridha, MD^1*, Marialaura Simonetto, MD^1*, Aditya Kumar^2*, Evan Hess, MD^1*, Jessica Magid-Bernstein^3*, E. Sander Connolly Jr., MD^1*, Shivani Ghoshal^2*, Sachin Agarwal, MD/MPH^1*, Soojin Park, MD^1*, Jan Claassen, MD/PhD^4*, Eldad A. Hod, MD¹ and David Roh, MD^1*

¹Columbia University Irving Medical Center, New York, NY
²Newyork Presbyterian: Columbia University Irving Medical Center, New York, NY
³Newyork Presbyterian Hospital, New York, NY
⁴Newyork Presbyteria: Columbia University Irving Medical Center, New York, NY

Sara Trompeter^1,2*, Ana Bárbara Rodrigues Cavalcante, PhD^3*, Marie Chion, PhD^4*, William John Astle, PhD^4,5,6*, Katrina Fordwor, BA MB BCh FRCPath^7*, Alexandra Pain, MB BS iBSc FLM AFHEA MRCP^8*, Nicholas Gleadall, PhD^9,10*, Timothy Roberts, PhD^3*, Jennifer Martin, BSc^11*, Alexandra Griffiths, MA MSc MPhil^12*, Willem Hendrik Ouwehand, MD, PhD^3,13,14* and Simon J Stanworth, MD, DPhil^15,16,17*

¹NHS Blood and Transplant, London, United Kingdom
²University College London NHS Foundation Trust, London, ENG, United Kingdom
³University College London NHS Foundation Trust, London, United Kingdom
⁴University of Cambridge, MRC Biostatistics Unit, Cambridge, United Kingdom
⁵Cambridge, NHS Blood and Transplant, Cambridge, United Kingdom
⁶The National Institute for Health and Care Research Blood and Transplant Unit in Donor Health and Genomics, Cambridge, United Kingdom
⁷Haematology, Oxford University Hospitals, Oxford, United Kingdom
⁸Department of Acute and General Medicine, Stoke Mandeville Hospital, Aylesbury, United Kingdom
⁹Department of Medicine, University of Cambridge, Cambridge, United Kingdom
¹⁰NHS Blood and Transplant, Cambridge, GBR
¹¹University of Cambridge, Cambridge, United Kingdom
¹²NHS Blood and Transplant, Bristol, United Kingdom
¹³NHS Blood and Transplant, Cambridge, United Kingdom
¹⁴Haematology, University of Cambridge, Cambridge, United Kingdom
¹⁵Oxford University Hospitals NHS Trust, Oxford, United Kingdom
¹⁶NHS Blood and Transplant, Oxford, United Kingdom
¹⁷NIHR Blood and Transplant Research Unit in data driven transfusion practice, Oxford, United Kingdom

Yvonne Dei Adomakoh, MBBS, MD¹, Edeghonghon Olayemi, MBBS, MSc^2*, Lucy Asamoah-Akuoko, PhD^3*, Bernard Appiah, DrPH^4*, Susan Telke, MS^5*, Catherine I. Segbefia, MBChB^6*, Tara Tancred, PhD^7*, Seth Adu-Afarwuah, PhD^8*, Amma A. Benneh-Akwasi Kuma, MD², Alfred Edwin Yawson, MD^9*, Solomon Fiifi Ofori-Acquah¹⁰, Philip Baba Adongo, PhD^11*, Reena Ametorwo, MSc^10*, Imelda Bates, MD, PhD^12*, Cavan Reilly, PhD^5* and The BLOODSAFE Investigators^10*

¹University of Ghana Medical School/Korle Bu Teaching Hospital, Accra, Greater Accra, Ghana
²Department of Hematology, University of Ghana, Accra, Ghana
³Research, Planning Monitoring & Evaluation Department, National Blood Service Ghana, Accra, Ghana
⁴Department of Public Health, Syracuse University, Syracuse
⁵Coordinating Centers for Biometric Research, Division of Biostatistics, University of Minnesota, Minnesota
⁶Department of Child Health, University of Ghana Medical School, Accra, Ghana
⁷Department of International Public Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
⁸Department of Nutrition and Food Science, University of Ghana, Accra, Ghana
⁹Department of Community Health, University of Ghana, Accra, Ghana
¹⁰University of Ghana, Accra, Ghana
¹¹Department of Social & Behavioural Sciences, University of Ghana, Accra, Ghana
¹²Liverpool School of Tropical Medicine, Liverpool, United Kingdom

Stella T. Chou, MD¹, Julia Mewha, BS^2*, David F. Friedman, MD^3*, Judith Mlkvy^4*, Kim Hue-Roye^5*, Gorka Ochoa^6*, Sunitha Vege^6* and Connie M. Westhoff, PhD^7*

¹Division of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA
²Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, PA
³Children's Hospital of Philadelphia, Philadelphia, PA
⁴Children's Hospital of Philadelphia, Philadelphia
⁵New York Blood Center, Long Island City
⁶New York Blood Center, Long Island City, NY
⁷New York Blood, New York, NY

Yasuo Harada, PhD^1,2*, Emiri Nakamura^1*, Trevor Bingham^3*, Leonard I. Zon, MD⁴, George Q. Daley, MD, PhD^5,6,7, Andrew Frelinger, PhD⁸, Koji Eto, MD, PhD^1,9 and Thorsten M. Schlaeger, PhD^10*

¹Centre of iPS Cell Research and Application, Kyoto University, Kyoto, Japan
²Otsuka Pharmaceutical, Co., Ltd., Osaka, Japan
³Boston Children's Hospital and Dana Farber Cancer Institute, Boston, MA
⁴Harvard Stem Cell Institute, Cambridge, MA
⁵Department of Hematology/Oncology, Harvard Medical School/Boston Children's Hospital, Boston, MA
⁶Harvard University, Cambridge, MA
⁷Harvard Medical School/Boston Children's Hospital, Boston, MA
⁸Boston Children's Hospital, Boston, MA
⁹Department of Regenerative Medicine, Chiba University, Chiba, Japan
¹⁰Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital and Dana Farber Cancer Institute, Boston, MA

Samia Saeed^1*, Liying Zhang, PhD^2*, Chantal Armali^3*, Amie Malkin^3*, Sophia Massin^1*, Harley Meirovich^3*, Daniel Roque^1*, Shangari Vijenthira^1*, Yulia Lin, MD⁴ and Jacob Pendergrast, MD, FRCPC^5,6

¹University Health Network, Toronto, ON, Canada
²Hematology/Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
³Sunnybrook Health Sciences Centre, Toronto, ON, Canada
⁴Sunnybrook Health Sciences Centre, Toronto, ON, CAN
⁵Laboratory Medicine Program, Toronto General Hospital, Toronto, ON, Canada
⁶Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada

Oscar Hinojosa^1*, Omar Ammari, MD^2*, Linda Albusoul, MD^2*, Philip Kuriakose, MD³ and Zaher K Otrock, MD^4*

¹Dept of Internal Medicine, Henry Ford Hospital, Detroit, MI
²Internal Medicine, Henry Ford Hospital, Detroit, MI
³Hematology and Oncology, Henry Ford Health, Detroit, MI
⁴Laboratory Medicine, Cleveland Clinic Main Campus, Cleveland, OH

Erica M. Wood, MD^1,2, Khai Li Chai, MBBS, FRACP, FRCPA^3*, John Reynolds, BSc, MSc, PhD^4,5*, Jennifer Griffiths, BSc, BBehavSc(Psych)(Hons)^6*, Brendan Beaton, MBBS, FRACP, FRCPA^7,8*, Jeannie Callum, MD, FRCPC, BA^9,10*, Kyle R Crassini, MBBS, BSc, PhD^11*, Philip J Crispin, MBBS, FRACP, FRCPA^12,13*, Laura Fanning, BPharm (Hons), MPH, PhD^14*, Michael Gilbertson, MBBS (Hons), FRACP, FRCPA^15,16, Andrew P Grigg, MBBS, MD, FRACP, FRCPA^17*, Eliza A Hawkes, MD^18,19,20, C. Orla Morrissey, MB BCh, Grad Dip(Clin Epi), PhD, FRACP, AFRACMA^21,22*, Stephen P Mulligan, MBBS, PhD, FRACP, FRCPA^23,24, Stephen S. Opat, MBBS, FRACP, FRCPA^25,26, David L Paterson, MBBS, PhD, FRACP, FRCPA, FAHMS^27,28*, Dennis Petrie, BEcon(Hons), BSc, PhD^29*, Jason A Roberts, B Pharm(Hons), B App Sc, PhD, FSHP, FISAC^27,30*, Elizabeth G Ryan, PhD^20*, Andrew Spencer, MBBS, MD, FRACP, FRCPA^4,5*, Simon J Stanworth, MA, FRCP (Paeds, UK), DPhil, FRCPath^31,32*, Le Thi Phuong Thao, PhD^33*, Judith Trotman, MBChB, FRACP, FRCPA^34,35, Neil A Waters, BSc^36*, Robert Weinkove, MBBS, PhD, FRACP, FRCPA^37,38* and Zoe K McQuilten, MBBS, PhD, FRACP, FRCPA^1,6*

¹Department of Haematology, Monash Health, Melbourne, Australia
²Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
³Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, AUS
⁴Australian Centre for Blood Diseases, Monash University, Melbourne, Australia
⁵Department of Malignant Haematology & Stem Cell Transplantation, The Alfred Hospital, Melbourne, Australia
⁶Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
⁷Liverpool Hospital, Sydney, AUS
⁸University of Sydney, Sydney, Australia
⁹Kingston Health Sciences Centre, Kingston, ON, CAN
¹⁰Queen’s University, Kingston, ON, Canada
¹¹Coffs Harbour Health Campus, Coffs Harbour, AUS
¹²Canberra Hospital, Canberra, ACT, AUS
¹³Australian National University, CANBERRA, ACT, AUS
¹⁴Centre for Health Economics, Monash University, Melbourne, Australia
¹⁵Department of Clinical Haematology, Monash Health, Clayton, AUS
¹⁶Western Health, Melbourne, Australia
¹⁷Austin Hospital, Melbourne, VIC, AUS
¹⁸Department of Clinical Haematology and Medical Oncology, Austin Health, Heidelberg, VIC, Australia
¹⁹Austin Health, Olivia Newton John Cancer Research & Wellness Centre, Melbourne, Australia
²⁰School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
²¹Department of Infectious Diseases, The Alfred Hospital, Melbourne, VIC, Australia
²²Department of Infectious Diseases, Central Clinical School, Monash University, Melbourne, Australia
²³University of Sydney, Sydney, NSW, AUS
²⁴Royal North Shore Hospital, Sydney, Nsw, AUS
²⁵School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
²⁶Department of Clinical Haematology, Monash Health, Melbourne, VIC, Australia
²⁷Centre for Clinical Research, University of Queensland, Brisbane, Australia
²⁸Department of Infectious Diseases, Royal Brisbane and Women's Hospital, Brisbane, Australia
²⁹Centre for Health Economics, Monash Business School, Monash University, Melbourne, Australia
³⁰Royal Brisbane and Women's Hospital, Brisbane, Australia
³¹University of Oxford, Oxford, United Kingdom
³²NHS Blood and Transplant, Oxford, United Kingdom
³³School of Public Health and Preventive Medicine, Monash University, Melbourne, AUS
³⁴Concord Repatriation General Hospital, University of Sydney, Sydney, Australia
³⁵University of Sydney, Concord Repatriation General Hospital, Concord, Australia
³⁶Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, AUS
³⁷Wellington Te Rerenga Ora Blood and Cancer Centre, Capital & Coast District Health Board, Wellington, New Zealand
³⁸Cancer Immunotherapy Programme, Malaghan Institute of Medical Research, Wellington, New Zealand