1. 1Departments of Medicine (Endocrinology, Diabetes and Clinical Nutrition) and Neurological Surgery, and Pituitary Center, Oregon Health & Science University, Portland, Oregon, USA
2. 2Division of Endocrinology, Department of Medicine, Université de Sherbrooke, Sherbrooke, Quebec, Canada
3. 3Division of Endocrinology and Metabolism, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria