作者单位:Univ N Carolina, Div Cardiol, Sch Med, Chapel Hill, NC 27515 USA[1]Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Epidemiol, Chapel Hill, NC 27515 USA[2]Univ N Carolina, Eshelman Sch Pharm, Div Pharmaceut Outcomes & Policy, Chapel Hill, NC 27515 USA[3]