[1] Univ British Columbia, Dept Pediat Gen & Thorac Surg, British Columbia Childrens Hosp, 4480 Oak, Vancouver, BC V6H 3V4, Canada
[2] Tufts Univ, Maine Med Ctr, Portland, ME USA
[3] Childrens Hosp Wisconsin, Div Pediat Surg, Milwaukee, WI 53201 USA
[4] Childrens Hosp Wisconsin, Milwaukee, WI 53201 USA
[5] Penn State Hershey Med Ctr, Hershey, PA USA
[6] Texas Childrens Hosp, Baylor Coll Med, Div Pediat Surg, Houston, TX 77030 USA
[7] McGill Univ, Montreal Childrens Hosp, Div Pediat Gen & Thorac Surg, Montreal, PQ, Canada
[8] HEAL Africa Hosp, Goma, DEM REP CONGO
[9] Phoenix Childrens Hosp, Phoenix, AZ USA
[10] St Lukes Childrens Hosp, CKB Pediat Surg, Boise, ID USA
[11] St Louis Univ, SSM Heath Cardinal Glennon Childrens Hosp, St Louis, MO 63103 USA
[12] Wayne State Univ, Childrens Hosp Michigan, Detroit, MI USA
[13] UCLA, Div Pediat Surg, Los Angeles, CA USA
[14] Harbor UCLA, Los Angeles, CA USA
[15] Univ Massachusetts, Sch Med, UMass Mem Med Ctr, Worcester, MA USA
[16] Mary Bridge Childrens Hosp, Tacoma, WA USA
[17] Med Coll Wisconsin, Childrens Hosp Wisconsin, Milwaukee, WI 53226 USA
[18] Univ Calgary, Calgary, AB, Canada
[19] Loyola Univ Med Ctr, Maywood, IL 60153 USA
[20] BC Childrens Hosp, Off Pediat Surg Evaluat & Innovat, Vancouver, BC, Canada
[21] BC Childrens Hosp, Div Pediat Surg, Vancouver, BC, Canada
[22] UT Southwestern Med Ctr, Div Pediat Surg, Dallas, TX USA
[23] McGill Univ, Hlth Ctr, Montreal Childrens Hosp, Montreal, PQ, Canada
[24] Univ Alabama Birmingham, Birmingham, AL USA
[25] Univ Illinois, Coll Med, Peoria, IL USA
[26] WakeMed Hlth, E Raleigh, NC USA
[27] Duke Univ, Sch Med, Durham, NC USA
[28] Loma Linda Univ, Sch Med, Tenwek Hosp, Bomet, Kenya
[29] Oregon Hlth & Sci Univ, Div Pediat Surg, Portland, OR 97201 USA
[30] Yale Univ, Yale Inst Global Hlth, New Haven, CT USA