1Clinical Epidemiology Division, Karolinska Institutet, Stockholm, Sweden
2Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
3Departments of Medicine and Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada
4Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
5Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
6Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
7Center for Obesity, Academic Specialist Center, Stockholm Health Services, Stockholm, Sweden
8Department of Clinical Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
9Division of Nephrology, Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
Correspondence: Dr. Oskar Swartling or Dr. Juan J. Carrero, Karolinska Institutet, Medical Epidemiology and Biostatistics, Stockholm, Sweden. Email: [email protected] or [email protected]