1. Internal Medicine; Danbury Hospital; Western Connecticut Health Network; Danbury CT USA
2. Doctor's Hospital at Renaissance Health System; Edinburg TX USA
3. Department of Mathematics and Statistics; University of Texas-Rio Grande Valley; Edinburg TX USA
4. Department of Academic Medicine; Doctors Hospital at Renaissance Health System; Edinburg TX USA
5. Doctor’s Hospital at Renaissance Health System Clinical Professor of Surgery; University of Texas-Rio Grande Valley; Edinburg TX USA