Affiliation: | 1 Nephrology Unit, Department of Clinical Sciences Intervention and Technology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden;2 Clinical Epidemiology Unit, Department of Medicine, Stockholm, Sweden;3 Division of Occupational and Environmental Medicine, Department of Public Health Sciences, Stockholm, Sweden;4 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden;5 Department of Statistics, University of Milano-Bicocca, Milan, Italy;6 Department of Medicine, Vanderbilt University Medical Center, Nashville, TN |