1. Department of Internal Medicine , University of South Florida , Tampa , USA
2. Department of Pediatrics , Wake Forest School of Medicine , Winston-Salem , USA
3. Department of Internal Medicine , Wayne State University School of Medicine , Detroit , USA
4. Department of Pediatrics , SUNY Downstate College of Medicine , New York , USA
5. Department of Medicine , Albert Einstein College of Medicine and Montefiore Medical Center , Bronx , USA
6. Department of Internal Medicine , Geisel School of Medicine at Dartmouth , Hanover , USA
7. Department of Internal Medicine , University of Utah School of Medicine , Salt Lake City , USA
8. Department of Anesthesiology , University of Utah School of Medicine , Salt Lake City , USA