[1] Karolinska Institutet,Clinical Epidemiology Division, Department of Medicine (Solna)
[2] Karolinska Institutet,Unit of Gastroenterology, Department of Medicine (Huddinge)
[3] Karolinska University Hospital,Department for Upper GI Diseases
[4] Linköping University,Department of Surgery
[5] Linköping University,Department of Biomedical and Clinical Sciences
[6] Ersta Hospital,Department of Surgery
[7] Linköping University,Department of Health, Medicine and Caring Sciences, Division of Society and Health
[8] Karolinska Institutet,Department of Biosciences and Nutrition
[9] Academic Specialist Center,Center for Obesity