Overweight

• Phoenix Children'S Hospital — Phoenix, Arizona, United States
• Children's Hospital of Orange County — Orange, California, United States
• University of California at San Francisco — San Francisco, California, United States
• University of Colorado — Denver, Colorado, United States

• Children's Hospital , University of Alabama — Birmingham, Alabama, United States

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

Not specified

• Department of Endocrinology M, Aarhus Hospital — Aarhus C, Denmark

• Massachusetts General Hospital — Boston, Massachusetts, United States

• University of Bristol — Bristol, United Kingdom

• Stony Brook University GCRC — Stony Brook, New York, United States

• LIMED (Laboratory of Investigation of Metabolism and Diabetes)/GASTROCENTRO/Univeristy of Campinas (UNICAMP) — Campinas, São Paulo, Brazil

• University of Copenhagen — Copenhagen, Denmark