Juliane K. Lohmeyer, MD^1*, Toshihito Hirai, MD, PhD^1,2*, Mustafa Turkoz, PhD^1*, Natalie Koehler, PhD^1,3*, Jeanette Baker^1*, Stephane Buhler, PhD^4*, Jean Villard, MD, PhD^4*, Xuhuai Ji, MD, PhD^5*, Federico Simonetta, MD, PhD^1,6* and Robert S. Negrin, MD⁷

¹Division of Blood and Marrow Transplantation, Department of Medicine, Stanford University, Stanford, CA
²Department of Urology, Tokyo Women's Medical University, Tokyo, Japan
³University Medical Center Freiburg, Freiburg, Germany
⁴Transplantation Immunology Unit and National Reference Laboratory for Histocompatibility, Department of Diagnostic, Geneva University Hospitals, Geneva, Switzerland
⁵Human Immune Monitoring Center, Stanford University, Stanford, CA
⁶Division of Hematology and Translational Research Center for Oncohematology, Geneva University Hospitals, Geneva, Switzerland
⁷Division of Blood and Marrow Transplantation, Stanford University, Stanford, CA

Sharon L. Hyzy, MS^1*, Jennifer L Proctor, BS^1*, Geoff O Gillard, PhD^1*, Katelyn J. Hammond, BS^1*, Ganapathy N. Sarma, PhD^1*, Asim Saha, PhD^2*, Nicholas Clark, PhD^1*, Anjali Bhat, MS^1*, Tahirih L Lamothe, BS^1*, Rahul Palchaudhuri, PhD^1*, Bradley R Pearse, PhD^1*, Charlotte F McDonagh, PhD^1*, Hans-Peter Kiem, MD PhD³, John E Wagner, MD², Bruce R. Blazar, MD², Anthony E Boitano, PhD¹, Michael P Cooke, PhD¹ and John C. Davis Jr., MD, MPH, MS^1*

¹Magenta Therapeutics, Cambridge, MA
²Division of Pediatric Blood and Marrow Transplantation, University of Minnesota, Minneapolis, MN
³Fred Hutchinson Cancer Research Center, Seattle, WA

Quan DM Pham^1*, Martin Rodriguez, BSc², Ritu M Ramamurthy^1*, Sunil George, PhD^1*, Jorge Figueroa, MD^3*, Anthony Atala, M.D.^1*, Christopher B Doering, PhD^4,5,6, H. Trent Spencer, Ph.D.^4,6,7*, Christopher D Porada, PhD^1* and M. Graca Almeida-Porada, MD, PhD¹

¹Fetal Research and Therapy Program, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC
²Fetal Research and Therapy Program, Wake Forest Institute for Regenerative Medicine, Advance, NC
³Center for Research in Obstetrics and Gynecology, Wake Forest School of Medicine, Winston Salem
⁴Aflac Cancer and Blood Disorders Center, Emory University/Children's Healthcare of Atlanta, Atlanta, GA
⁵Department of Pediatrics, Emory University, Atlanta, GA
⁶Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA
⁷Department of Pediatrics, Emory University School of Medicine, Atlanta, GA

Mateusz Adamiak, PhD^1*, Arjun Thapa^2*, Kamila Bujko, MSc^3*, Valentina Pensato^4*, Magdalena Kucia, PhD, DSci^1,5, Janina Ratajczak, MD, PhD, DSci³ and Mariusz Z Ratajczak, MD, PhD, DSc¹

¹Department of Regenerative Medicine, Warsaw Medical University, Warsaw, Poland
²Stem Cell Program at JGB Cancer Center, University of Louisville, Louisville, KY
³Stem Cell Institute at JGB CC, University of Louisville, Louisville, KY
⁴Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology “ L. and A. Seràgnoli”, University of Bologna, Bologna, Italy, Bologna, Italy
⁵Stem Cell Institute, University Of Louisville Brown Cancer Center, Louisville, KY