[1] Univ Helsinki, Res Program Clin & Mol Metab, Obes Res Unit, Helsinki, Finland
[2] Univ Helsinki, Dept Publ Hlth, Finnish Twin Cohort Study, Helsinki, Finland
[3] Helsinki Univ Hosp, Dept Gastrointestinal Surg, Abdominal Ctr, Helsinki, Finland
[4] Univ Helsinki, Helsinki, Finland
[5] Univ Oulu, Oulu Univ Hosp, Abdominal Ctr, Med Res Ctr Oulu, Oulu, Finland
[6] Univ Helsinki, Dept Nephrol, Helsinki, Finland
[7] Helsinki Univ Hosp, Helsinki, Finland
[8] Turku Univ Hosp, Turku PET Ctr, Turku, Finland
[9] Helsinki Univ Hosp, Abdominal Ctr, HealthyWeightHub, Endocrinol, Helsinki, Finland