[1] Univ Penn, Dept Med, Perelman Sch Med, Renal Electrolyte & Hypertens Div, Philadelphia, PA 19104 USA
[2] Univ Penn, Perelman Sch Med, Dept Biostat Epidemiol & Informat, Philadelphia, PA 19104 USA
[3] Univ Penn, Dept Med, Perelman Sch Med, Div Cardiol, Philadelphia, PA 19104 USA
[4] Univ Utah, Dept Populat Hlth Sci, Div Hlth Syst Innovat & Res, Salt Lake City, UT USA
[5] Wake Forest Sch Med, Dept Pediat, Sect Nephrol, Winston Salem, NC 27101 USA
[6] Brenner Childrens Hosp, Winston Salem, NC USA
[7] Wake Forest Sch Med, Div Publ Hlth Sci, Dept Epidemiol & Prevent, Winston Salem, NC 27101 USA
[8] Wake Forest Sch Med, Dept Surg Hypertens & Vasc Res, Winston Salem, NC 27101 USA