1 Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA. Electronic address: caram001@umn.edu.
2 Division of Nephrology, Department of Medicine and Kidney Research Institute, University of Washington, Seattle, Washington, USA.
3 Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, India.
4 Cochrane Kidney and Transplant, Sydney, New South Wales, Australia; Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia.
5 Steno Diabetes Center Copenhagen, Gentofte, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.