| Nuala J Meyer | University of Pennsylvania Perelman School of Medicine |
| Michael G S Shashaty | University of Pennsylvania Perelman School of Medicine |
| Jason D Christie | University of Pennsylvania Perelman School of Medicine |
| Jason D Christie | Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania |
| Steven M Opal | Memorial Hospital of Rhode Island, the Alpert Medical School of Brown University |