1. Department of Medicine , NYU Grossman School of Medicine , New York , NY , USA
2. Department of Medicine, Section of Hospital Medicine , University of Virginia School of Medicine , Charlottesville , VA , USA
3. Founder and President Emeritus , Society to Improve Diagnosis in Medicine , Plymouth , MA , USA
4. Professor Emeritus , Stony Brook University , NY , USA
5. Division of Hospital Medicine, Department of Medicine, Division of Pediatric Hospital Medicine, Department of Pediatrics , University of Minnesota Medical School , Minneapolis , MN , USA