作者单位:
Harvard Univ, Sch Publ Hlth, Dept Nutr & Epidemiol, Boston, MA 02115 USA
[1]
Massachusetts Gen Hosp, Dept Surg, Boston, MA 02114 USA
[2]
Brigham & Womens Hosp, Channing Div Network Med, Boston, MA 02115 USA
[3]
Univ Washington, Div Gastroenterol, Seattle, WA 98195 USA
[4]
发布时间
2015-03-28