[1] Baylor Coll Med, Selzman Inst Kidney Hlth, Dept Med, Sect Nephrol, Houston, TX 77030 USA
[2] Baylor Coll Med, Michael E DeBakey Vet Affairs Med Ctr, Hlth Serv Res & Dev Ctr Innovat, Hlth Policy Qual & Informat Program, Houston, TX 77030 USA
[3] Baylor Coll Med, Dept Med, Sect Hlth Serv Res, Houston, TX 77030 USA
[4] Baylor Coll Med, Dept Med, Sect Cardiovasc Res, Houston, TX 77030 USA
[5] Michael E DeBakey VA Med Ctr, Sect Nephrol, Houston, TX 77030 USA
[6] Michael E DeBakey VA Med Ctr, Sect Cardiol, Houston, TX 77030 USA
[7] Methodist DeBakey Heart & Vasc Ctr, Ctr Cardiovasc Dis Prevent, Houston, TX USA