[1] Harvard Med Sch, Program Global Surg & Social Change, Boston, MA USA
[2] Brigham & Womens Hosp, Ctr Surg & Publ Hlth, Dept Surg, Boston, MA USA
[3] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[4] All India Inst Med Sci, Delhi, India
[5] Saveetha Med Coll & Hosp Chennai, Chennai, India
[6] Ganga Med Ctr & Hosp, Coimbatore, India
[7] Univ North Carolina, Sch Med, Chapel Hill, NC USA