Affiliation: | aDepartment of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA;bDepartment of Medicine, Baylor College of Medicine, Houston, Texas, USA;cDepartment of Surgery, Minimally Invasive Bariatric and General Division, Houston Methodist Hospital, Houston, Texas, USA;dDepartment of Medicine, Gastroenterology Division, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA |