1. Department of Internal Medicine, Cayuga Medical Center , 101 Dates Drive , Ithaca, NY 14850, USA
2. Department of Internal Medicine, B & B Hospital Pvt Ltd , Gwarko, Lalitpur 44600, Nepal
3. Department of Pulmonary and Critical Care Medicine, Cayuga Medical Center , 101 Dates Drive , Ithaca, NY 14850, USA