Body Weight

• Service de Chirurgie générale et digestive et d'oncologie du Pr Nordlinger -Ambroise Paré — Boulogne, France
• Service de nutrition du Pr Basdevant -Pitié salpêtrière/ Institut Cardiometabolism and nutrition — Paris, France

• Ziekenhuis Oost-Limburg — Genk, Belgium
• Jessa Ziekenhuis — Hasselt, Belgium
• UZ Brussel — Jette, Belgium
• UZ Gasthuisberg — Leuven, Belgium

• University College Cork — Cork, Ireland

• Center for Research on Health Care — Pittsburgh, Pennsylvania, United States

• Oregon Health & Science University — Portland, Oregon, United States

• PDP Spodnje Črnuče — Ljubljana, Slovenia

• Baskent University — Ankara, Turkey (Türkiye)

• Centre Hospitalier Pierre Oudot - Bourgoin-Jallieu — Bourgoin, France
• La Cavale Blanche Hospital — Brest, France
• CHMS Chambery — Chambéry, France
• University Hospital of Grenoble — Grenoble, France

Not specified

• University of Tuebingen, Department of Internal Medicine IV — Tübingen, Germany