| Jose L Pascual | Perelman School of Medicine, University of Pennsylvania |
| Scott D Halpern | Leonard Davis Institute of Health Economics, University of Pennsylvania |
| Scott D Halpern | Palliative and Acute Illness Research Center, Perelman School of Medicine, University of Pennsylvania |
| Scott D Halpern | Perelman School of Medicine, University of Pennsylvania |
| Frances K Barg | Perelman School of Medicine, University of Pennsylvania |
| Frances K Barg | Perelman School of Medicine, University of Pennsylvania |
| Frances K Barg | University of Pennsylvania |