Overweight

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of California, Irvine Medical Center — Irvine, California, United States
• Rady Children's Hospital — San Diego, California, United States
• University of Florida College of Medicine — Gainesville, Florida, United States

• Clinical Nutrition Research Centre — Singapore

• Hamilton Medical Center — Dalton, Georgia, United States
• Chattanooga Bariatrics — Chattanooga, Tennessee, United States

• VL-Medi — Helsinki, Finland
• Kerava healthcare center — Kerava, Finland
• FinnMedi Oy — Tampere, Finland
• CRST - Clinical Research Services Turku — Turku, Finland

• Clinical Nutrition Research Centre — Singapore

• University of North Carolina — Chapel Hill, North Carolina, United States
• University of Pittsburgh — Pittsburgh, Pennsylvania, United States

Not specified

• Sisters of Charity Hospital — Buffalo, New York, United States
• Synergy Bariatrics — Williamsville, New York, United States

Not specified

• The Johns Hopkins Bayview Headache Center — Baltimore, Maryland, United States