1 Section of Surgical Endoscopy, Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, Cleveland, OH.
2 Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH; Digestive Disease Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates.
3 Section of Surgical Endoscopy, Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, Cleveland, OH; Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH. Electronic address: ponskyj@ccf.org.