1 Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Electronic address: levinebl@pennmedicine.upenn.edu.
2 Melbourne Medical School, University of Melbourne and Murdoch Children's Research Institute, Parkville, Australia.
3 School of Public Policy, Georgia Institute of Technology, Atlanta, GA.
4 Department of Oral Biology, University at Buffalo, The State University of New York; Buffalo, NY; Chair, ISCT Committee on the Ethics of Cell and Gene Therapy, https://www.isctglobal.org/about/isct-committees/ecgt.