Institution: | 1. Department of Internal Medicine, Duke University Hospital and Health System 2301 Erwin Road, Durham, NC 27705, USA;2. Department of Medicine, Duke University, 2301 Erwin Road, Durham, NC 27705, USA;1. Department of Thoracic Surgery, Heart and Vascular Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA;2. Department of Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA |