[1] Clin Palacios Salud Mujer, Ginecol & Obstet Dept, Calle Antonio Acuna 9, Madrid, Spain
[2] Hosp Metropolitano, Ginecol & Obstet Dept, Quito, Afghanistan
[3] Consultorio Amer, Ginecol & Obstet Dept, Ciudad De Panama, Panama
[4] Oncogine Serv Med SA, Ginecol & Obstet Dept, San Jose, Costa Rica
[5] Coordinadora Unidad Med Reprod Clin AUNA & Clin D, Ginecol & Obstet Dept, Lima, Peru
[6] Hlth Serv Med Ctr, Ctr Obstet & Ginecol, Santo Domingo, Dominican Rep
[7] Jefe Med Ctr Med PERINAT, Santa Cruz, Bolivia
[8] Clin IMBANACO, Ginecol & Obstet Dept, Laparoscopia Ginecol, Cali, Colombia
[9] Hosp Univ Matern La Altagracia, Obstet & Gynecol Dept, Santo Domingo, Dominican Rep
[10] Hosp Herrera Llerandi, Dept Ginecol & Obstet, Ciudad De Guatemala, Guatemala
[11] Acad Nacl Med, Ginecol & Obstet Dept, Bogota, Colombia
[12] Federac Mexicana Colegios Obstet & Ginecol, Ciudad De Mexico, Mexico
[13] Univ Sao Paulo, Fac Med, Sao Paulo, Brazil