aDepartment of Urology, David Geffen School of Medicine at University of California Los Angeles

bDepartment of Environmental Health Sciences, UCLA Fielding School of Public Health, University of California at Los Angeles, Los Angeles, California

cDepartments of Surgery and Population Health Science, Duke Surgical Center for Outcomes Research, Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina

dDivision of General Internal Medicine and Health Services Research, David Geffen School of Medicine, and Center for Healthy Climate Solutions, UCLA Fielding School of Public Health, University of California at Los Angeles, Los Angeles, California

eNYU Langone Health and NYU Grossman School of Medicine, and New York Harbor VA Healthcare System, New York, New York, USA

Correspondence to David S. Goldfarb, MD, Chief, Nephrology Section, New York VA Medical Center, Professor of Medicine and Physiology, New York University School of Medicine, Nephrology Section/111G, New York DVAMC, 423 E. 23 St., New York, NY 10010, USA. Tel: +1 212 686 7500 x3877; fax: +1 212 951 6842; e-mail: [email protected]