作者单位:
Duke Univ, Med Ctr, Dept Community & Family Med, Durham, NC 27710 USA
[1]
Univ Toronto, Dept Math, Toronto, ON M5S 1A1, Canada
[2]
Wake Forest Sch Med, Dept Epidemiol & Prevent, Epidemiol Cardiol Res Ctr EPICARE, Winston Salem, NC
[3]
Duke Univ, Dept Math, Durham, NC 27706 USA
[4]
发布时间
2015-09-04