1. Internal Medicine Residency Program, Amita Health Saint Francis Hospital, Evanston, IL, USA
2. Internal Medicine Residency Program, Bassett Medical Center, Cooperstown, NY, USA
3. Internal Medicine Residency Program, University of Hawaii, Honolulu, HI, USA
4. Faculty of Medicine, Songklanagarind Hospital, Prince of Songkla University, Songkhla, Thailand
5. Internal Medicine Residency Program, University of Miami, Coral Gables, FL, USA
6. Department of Pulmonary Medicine and Critical Care, Amita Health Saint Francis Hospital, Evanston, IL, USA
7. Department of Cardiovascular Medicine, Amita Health Saint Francis Hospital, Evanston, IL, USA