Glucose Intolerance

• Deutsches Institut für Ernährungsforschung / Charité Berlin — Berlin, Germany
• University Hospital Dresden — Dresden, Germany
• Deutsches Diabetes Zentrum — Düsseldorf, Germany
• Technische Universität München (TU Munich) — Munich, Germany

• Maastricht University Medical Centre — Maastricht, Limburg, Netherlands

• The First Affiliated Hospital of Anhui Medical University — Hefei, Anhui, China
• Beijing Chuiyangliu Hospital — Beijing, Beijing Municipality, China
• China Meitan General Hospital — Beijing, Beijing Municipality, China
• Beijing Anzhen Hospital of The Capital University of Medical Sciences — Beijing, Beijing Municipality, China

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States
• Medical College of Virginia — Richmond, Virginia, United States

• Suburban Hospital — Bethesda, Maryland, United States
• National Heart, Lung and Blood Institute (NHLBI), 9000 Rockville Pike — Bethesda, Maryland, United States

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• Medical University of Vienna — Vienna, Austria

• Center for Primary Health Care Research, CRC, Lund University, Sweden — Lund, Skåne County, Sweden

Not specified

• Washington University School of Medicine — St Louis, Missouri, United States