1 School of Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan.
2 Renal Division, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital, Taipei, Taiwan.
3 Renal Division, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan. Electronic address: chouyuhsiang@ntuh.gov.tw.