1. University of Pennsylvania Health System, Perelman School of Medicine, Section of Hospital Medicine, Division of General Internal Medicine, Institute for Biomedical Informatics, University of Pennsylvania, Philadelphia
2. Perelman School of Medicine, University of Pennsylvania, University of Pennsylvania Health System, Philadelphia
3. School of Engineering and Applied Science, University of Pennsylvania, Philadelphia
4. Department of Medical Informatics, Jacobs School of Medicine, University at Buffalo, State University of New York, Buffalo