1. University of California San Diego School of Medicine La Jolla California USA
2. Department of Internal Medicine University of Pennsylvania Philadelphia Pennsylvania USA
3. Department of Internal Medicine Vanderbilt University Nashville Tennessee USA
4. Department of Obstetrics & Gynecology Beaumont Health System and Oakland University William Beaumont School of Medicine Royal Oak Michigan USA
5. Pennsylvania State University College of Medicine Hershey Pennsylvania USA
6. Brickell Medical Sciences Library Eastern Virginia Medical School Norfolk Virginia USA
7. Office of Ambulatory Care and Population Health New York City Health + Hospitals New York New York USA
8. Department of Medicine New York University, Grossman School of Medicine New York New York USA