| Affiliation: | 1. Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD;2. Department of Mathematics, United States Naval Academy, Baltimore, MD;3. Scientific Registry of Transplant Recipients, Minneapolis Medical Research Foundation, Minneapolis, MN;4. St. Louis University Center for Outcomes Research, Saint Louis, MO;5. Department of Surgery, Dartmouth‐Hitchcock Medical Center, Lebanon, NH;6. Department of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN;7. Department of Medicine, Hennepin County Medical Center, University of Minnesota, Minneapolis, MN |
