作者单位:
Virginia Commonwealth Univ, Sch Med, Dept Family Med & Populat Hlth, Richmond, VA USA
[1]
Univ Virginia, Dept Med, Sch Med, Ctr Biomed Eth & Humanities, Charlottesville, VA 22908 USA
[2]
Norwich Med Sch Univ East Anglia, Dept Populat Hlth & Primary Care, Norwich, Norfolk, England
[3]
Robert Graham Ctr, Washington, DC USA
[4]
Emory Univ, Sch Med, Dept Family & Preventat Med, Atlanta, GA USA
[5]
发布时间
2019-05-22