Clinical Practice Guidelines for the perioperative Nutrition, Metabolic, and nonsurgical Support of Patients undergoing bariatric Procedures – 2019 Update: cosponsered by American Association of Clinical Endocrinologists/American College of Endocrinology, the Obesity Society, American Society for Metabolic C & Bariatric Surgery, Obesity Medicine Association, and American Society of Anesthesioligists-Executive Summary* - Mechanick, J I; Apovian, C; Brethauer, S (Endocr Pract, 2019)