Ehab El-Khabiry1, Hesham R Omar2, Enrico M Camporesi3. 1. Department of Internal Medicine, OSF Saint Anthony Medical Center, Rockford, IL, USA. 2. Internal Medicine Department, Mercy Medical Center, Clinton, IA, USA. Electronic address: hesham.omar@apogeephysicians.com. 3. University of South Florida, FGTBA and TEAMHealth, Tampa, FL, USA.