作者单位:
Univ Calgary, Dept Family Med, Calgary, AB, Canada
[1]
Univ Calgary, Dept Med, Calgary, AB, Canada
[2]
Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD 21205 USA
[3]
Univ Calgary, Dept Community Hlth Sci, Calgary, AB, Canada
[4]
发布时间
2019-03-16