| Jose L Pascual | Perelman School of Medicine, University of Pennsylvania |
| George L Anesi | Palliative and Advanced Illness Research Center, Perelman School of Medicine, University of Pennsylvania |
| George L Anesi | Perelman School of Medicine, University of Pennsylvania |
| Michael G S Shashaty | Perelman School of Medicine, University of Pennsylvania |
| Michael G S Shashaty | Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania |