Waiel Abusnina1, Mena Shehata2, Sammy Nassri2, Fuad Zeid3. 1. Department of Internal Medicine, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, USA. abusnina@marshall.edu. 2. Department of Internal Medicine, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, USA. 3. Department of Pulmonary Medicine, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, USA.