Obesity

• Ruijin hospital, Shanghai Jiaotong University School of Medicine — Shanghai, Shanghai Municipality, China

• Peking University People's Hospital — Beijing, Beijing Municipality, China

• Faculty of Nursing. Catholic University of Murcia — Murcia, Spain

• UZLeuven — Leuven, Belgium

• Ambulatory Obesity Program, Charité University, Berlin — Berlin, Germany
• Vestische Kinderklinik, University of Witten/Herdecke — Datteln, Germany
• University Duisburg-Essen — Essen, Germany
• University Hospital Leipzig — Leipzig, Germany

• Aalborg University Hospital — Aalborg, North Jutland, Denmark

• Juan José Arroyo Martín — Denia, Alicante, Spain
• Esther Mans Muntwyler — Mataró, Barcelona, Spain
• Débora Acín Gándara — Fuenlabrada, Madrid, Spain

Not specified

• Helsinki University Hospital — Helsinki, Finland
• University of Eastern Finland — Kuopio, Finland
• Lahti Central Hospital — Lahti, Finland

• Inland Norway University of Applied Sciences — Lillehammer, Norway