1 The Program in Global Surgery and Social Change Harvard Medical School Boston United States of America The Program in Global Surgery and Social Change, Harvard Medical School, Boston, United States of America.
2 Universidad del Azuay Cuenca Ecuador Universidad del Azuay, Cuenca, Ecuador.
3 Virginia Commonwealth University Richmond United States of America Virginia Commonwealth University, Richmond, United States of America.
4 Pontificia Universidad Católica del Ecuador Quito Ecuador Pontificia Universidad Católica del Ecuador, Quito, Ecuador.