Noelle V Frey, MD, MS¹, Saar Gill, MD, PhD¹, Wei-Ting Hwang, PhD^2*, Selina M. Luger, MD, FRCPC¹, Mary Ellen Martin, MD¹, Shannon R. McCurdy, MD¹, Alison W. Loren, MD³, Keith W. Pratz, MD¹, Alexander E. Perl, MD¹, Julie Barber-Rotenberg, PhD^4*, Amy Marshall^4*, Marco Ruella, MD⁴, Simon F Lacey, PhD⁴, Joseph Fraietta, PhD^4*, Andrew Fesnak, MD^5*, Megan O'brien^4*, Theresa Schanne^4*, Jennifer L Brogdon, PhD^6*, Boris Engels, PhD^6*, Bruce L Levine, PhD⁴, Carl H June, MD⁷, David L Porter, MD¹ and Elizabeth O. Hexner, MD¹

¹Cellular Therapy and Transplantation, Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA
²Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA
³Cellular Therapy and Transplantation, Perelman Center for Advanced Medicine, Philadelphia, PA
⁴Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
⁵Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia
⁶Novartis Institutes for BioMedical Research, Cambridge, MA
⁷Center for Cellular Immunotherapies (CCI), The University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA

Colleen Annesley, MD¹, Corinne Summers, MD^2,3, Michael A. Pulsipher, MD⁴, Jodi L. Skiles, MD^5*, Amanda M. Li, MD^6*, Anant Vatsayan, MD^7*, Catherine Lindgren^8*, Stephanie Mgebroff^8*, Ashley Wilson, PhD^8*, Wenjun Huang^8*, Qian Vicky Wu^9*, Josh Gustafson, PhD^10*, Christopher Brown^8*, Michael C. Jensen, MD^11*, Julie R. Park, MD^12* and Rebecca A Gardner, MD¹

¹Division of Hematology-Oncology, Seattle Children's Hospital, Seattle, WA
²Seattle Children's Hospital, Seattle, WA
³Fred Hutchinson Cancer Research Center, Seattle, WA
⁴Division of Hematology, Oncology, Blood and Marrow Transplantation, Children's Hospital Los Angeles, Los Angeles, CA
⁵Riley Hospital for Children, Indianapolis, IN
⁶Div. of Hematology, Oncology, and BMT, British Columbia Children's Hospital, University of British Columbia, Vancouver, BC, Canada
⁷CNMC, Washington, DC
⁸Seattle Children's Research Institute, Seattle, WA
⁹Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
¹⁰Seattle Children's Research Institute, Seattle
¹¹Seattle Children's Therapeutics, Seattle Children's Research Institute, Seattle, WA
¹²Division of Hematology and Oncology, Seattle Children's Hospital, Seattle, WA

Swati Naik, MBBS¹, Spyridoula Vasileiou, PhD^1*, Ifigeneia Tzannou, MD^1*, Manik Kuvalekar, Msc^1*, Ayumi Watanabe, Bsc^1*, Catherine Robertson^1*, Adrian P. Gee, PhD¹, Bambi J. Grilley, RPh^1*, George Carrum, MD², Rammurti Kamble, MD², LaQuisa C. Hill, MD¹, Robert A. Krance, MD^1,3, Caridad A. Martinez^1*, Bilal Omer, MD¹, Stephen Gottschalk, MD⁴, Helen E. Heslop, MD, DSc¹, Cliona M. Rooney, PhD^1*, Juan Vera, MD^1*, Ann Leen, PhD^1* and Premal D. Lulla, MBBS¹

¹Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX
²Center for Cell and Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital, Texas Children's Hospital, Houston, TX
³Department of Pediatrics, Baylor College of Medicine Texas Children's Hospital, Houston, TX
⁴Texas Children's Hospital/ Baylor College of Medicine, Houston, TX

Chiara F Magnani^1*, Giuseppe Gaipa, PhD^2,3, Federico Lussana, MD^4*, Giuseppe Gritti, MD, PhD^4*, Daniela Belotti^3,5*, Sara Napolitano, MD^5*, Chiara Buracchi, PhD^2*, Gian Maria Borleri^4*, Benedetta Rambaldi, MD^4*, Silvia Zaninelli^6*, Giuliana Rizzuto^4*, Gianluca Cavallaro^4*, Sarah Tettamanti, PhD^2*, Giovanni Cazzaniga, PhD², Stefania Galimberti, PhD^7*, Silvia Ferrari, MD^4*, Martino Introna, MD^4,6, Adriana Balduzzi, MD⁵, Maria Grazia Valsecchi, PhD^7*, Giuseppe Dastoli, MD^2*, Alessandro Rambaldi, MD^4,8 and Andrea Biondi, MD^5,9

¹Tettamanti Research Center, Department of Pediatrics, University of Milano-Bicoc, Monza, Italy
²Tettamanti Research Center, Department of Pediatrics, University of Milano - Bicocca/Fondazione MBBM, Monza, Italy
³Laboratorio di Terapia Cellulare e Genica Stefano Verri, ASST-Monza, Ospedale San Gerardo, Monza, Italy
⁴Hematology and Bone Marrow Transplant Unit, ASST Papa Giovanni XXIII, Bergamo, Italy
⁵Department of Pediatrics, University of Milano - Bicocca, Fondazione MBBM, Monza, Italy
⁶USS Centro di Terapia Cellulare "G. Lanzani", Bergamo, Italy
⁷Bicocca Bioinformatics, Biostatistics and Bioimaging Centre B4, Department of Medicine and Surgery, University of Milano - Bicocca, Monza, Italy
⁸Department of Oncology and Hematology, University of Milan, Milan, Italy
⁹Tettamanti Research Center, Dept. Pediatrics, University of Milano-Bicocca, Fondazione MBBM/San Gerardo Hospital, Monza, Italy

Junfang Yang^1,2*, Xian Zhang^1,2, Ying Liu^3*, Xiao Yang^1*, Hui Wang, MD^1,2*, Lin Wang, MSc^3*, Jianqiang Li, PhD³ and Peihua Lu, MD^1,2,4

¹Beijing Lu Daopei Institute of Hematology, Beijing, China
²Hebei Yanda Lu Daopei Hospital, Langfang, China
³Hebei Senlang Biotechnology Co., Ltd., Shijiazhuang, China
⁴Department of Oncology, Capital Medical University, Beijing, China

Regina M. Myers, MD¹, Kaitlin Devine, MD^1*, Yimei Li, PhD^2*, Sophie Lawrence, BS^1*, Allison Barz Leahy, MD^1*, Hongyan Liu, PhD^3*, Lauren Vernau, BA^1*, Colleen Callahan, MSN, CRNP^1*, Diane Baniewicz, MSN, CRNP^1*, Stephan Kadauke, MD, PhD^4*, Regina McGuire, BS^1*, Margaret A Cameron^1*, Amanda M. DiNofia, MD, MSCE^1*, Susan R. Rheingold, MD¹, Richard Aplenc, MD, PhD¹, Carl H June, MD⁵, Stephan A. Grupp, MD, PhD¹, Lisa Wray, MD^1* and Shannon L. Maude, MD, PhD¹

¹Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA
²Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
³Children's Hospital of Philadelphia, Philadelphia, PA
⁴Department of Pathology, Children’s Hospital of Philadelphia, Philadelphia, PA
⁵Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA