1. Ted Rogers Centre of Excellence in Heart Research (Y.M., E.R.-A., N.A., F.B., H.J.R.), Peter Munk Cardiac Centre, University Health Network, Toronto, ON, Canada.
2. Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada (Y.M., N.A., F.B., H.J.R.).
3. Ted Rogers Computational Program, Centre of Excellence in Heart Function (E.S., C.P.S.F.), Peter Munk Cardiac Centre, University Health Network, Toronto, ON, Canada.
4. Department of Transplant, Stanford Health Care, CA (E.H.).
5. Ottawa Heart Institute, University of Ottawa, ON, Canada (S.C.).
6. Section of Heart Failure, Cardiac Transplant, and Mechanical Circulatory Support, Department of Medicine, Stanford University, CA (J.J.T.).