| Mark G Weiner | Lewis Katz School of Medicine, Temple University |
| John H Holmes | Leonard Davis Institute of Health Economics, Perelman School of Medicine, University of Pennsylvania |
| John H Holmes | Perelman School of Medicine, University of Pennsylvania |
| John H Holmes | Leonard Davis Institute of Health Economics, Perelman School of Medicine, University of Pennsylvania |
| John H Holmes | Perelman School of Medicine, University of Pennsylvania |