[1] Univ N Carolina, Dept Family Med, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC 27514 USA
[2] Univ N Carolina, Div Pharmaceut Outcomes & Policy, UNC Eshelman Sch Pharm, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC USA
[3] Univ N Carolina, Lineberger Comprehens Canc Ctr, Dept Med, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC 27599 USA
[4] Univ N Carolina, North Carolina Translat & Clin Sci NC TraCS Inst, Chapel Hill, NC USA
[5] Univ N Carolina, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC USA
[6] Univ N Carolina, Sch Med, Div Gen Pediat & Adolescent Med, MPH,Dept Pediat, Chapel Hill, NC 27515 USA
[7] PRIME Collect LLC, Austin, TX USA
[8] UNC Ctr Hlth Equ, Chapel Hill, NC USA
[9] Univ N Carolina, Dept Med, Dept Social Med, Sch Med, Chapel Hill, NC USA