aSection of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine

bSection of Nephrology, Michael E. DeBakey Veterans Affairs Medical Center

cKaty ISD, Katy

dVeterans Affairs Health Services Research and Development Center for Innovations in Quality, Effectiveness, and Safety, Houston

eInstitute of Clinical and Translational Research Baylor College of Medicine, Houston, Texas, USA

Correspondence to Sankar D. Navaneethan, MD, MS, MPH, Section of Nephrology, Selzman Institute for Kidney Health, Baylor College of Medicine, 1 Baylor Plaza, Suite 100.37D, Houston, TX 77030, USA. Tel: +1 713 798 7847; e-mail: [email protected]