[1] Univ N Carolina, Sch Med, Dept Urol, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Lineberger Comprehens Canc Ctr, Sch Med, Chapel Hill, NC 27599 USA
[3] Duke Univ, Dept Biostat & Bioinformat, Durham, NC USA
[4] Univ N Carolina, Sch Informat & Lib Sci, Chapel Hill, NC 27599 USA
[5] Univ N Carolina, Connected Hlth Applicat & Intervent Core, Chapel Hill, NC 27599 USA
[6] Univ N Carolina, Ctr Hlth Promot & Dis Prevent, Chapel Hill, NC 27599 USA
[7] Amer Urol Assoc, Data Management & Stat Anal, Linthicum, MD USA
[8] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Hlth Policy & Management, Chapel Hill, NC 27599 USA
[9] Univ N Carolina, Sch Med, Dept Med, Chapel Hill, NC 27599 USA
[10] Univ N Carolina, Dept Urol, 2116 Phys Off Bldg,Campus Box 7235, Chapel Hill, NC 27599 USA