Nutrition Unit, Service of Endocrinology, Diabetes, Nutrition and Therapeutic Education, Department of Medicine, Geneva University Hospitals (HUG), 1211 Geneva, Switzerland. Service of Endocrinology, Diabetes, Nutrition and Therapeutic Education, Department of Medicine, Geneva University Hospitals (HUG), 1211 Geneva, Switzerland. Department of Cell Physiology and Metabolism, Faculty Diabetes Center, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland. Service of Pneumology, Department of Medicine, Geneva University Hospitals (HUG), 1211 Geneva, Switzerland. Department of Occupational and Environmental Health, Center for Primary Care and Public Health (Unisanté), University of Lausanne, 1066 Épalinges, Switzerland. Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland.