1. Department of Pulmonary and Critical Care Medicine, Cleveland Clinic Florida, 2950 Cleveland Clinic Boulevard, Weston, FL 33331, USA
2. Ross University School of Medicine, 630 US Highway 1, North Brunswick, NJ 08902, USA
3. Department of Internal Medicine, Mount Sinai School of Medicine, Jersey City Medical Center, 355 Grand Street, Jersey City, NJ 07302, USA