1. Department of Cardiovascular Medicine Mayo Clinic Phoenix Arizona
2. Section for Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital Mahidol University Bangkok Thailand
3. Internal Medicine Residency Program University of Hawaii Honolulu Hawaii
4. Department of Internal Medicine Texas Tech University Health Sciences Center Lubbock Texas
5. Department of Medicine Einstein Medical Center Philadelphia Pennsylvania
6. Department of Internal Medicine, Frankel Cardiovascular Center, Michigan Medicine University of Michigan Ann Arbor Michigan