1. Division of Nephrology, Department of Internal Medicine, University of Utah Health, Salt Lake City, UT 84112, U.S.A.
2. Division of Nephrology, Department of Internal Medicine, Shengjing Hospital, China Medical University, Shenyang 110004, China
3. Division of Endocrinology, Metabolism and Diabetes, Department of Internal Medicine, University of Utah Health, Salt Lake City, UT 84112, U.S.A.
4. Fraternal Order of Eagles Diabetes Research Center and Division of Endocrinology and Metabolism, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, U.S.A.
5. Department of Pathophysiology, University of Nantong College of Medicine, Nantong Shi, Jiangsu 226000, China