by Zitko Melo, Pedro, Araya, Ricardo, Cabieses Valdés, Báltica, Moscoso Aguayo, Paula, Seyler Cabeza, Liliana, Lindemann Tappert, Christina, Bastías Olivares, Kris, Figueroa Cendoya, Francisca, Illanes Neira, María Carolina, Pavlovic Jeldres, Cristián, Lopez Muñoz, Felipe, Solar Tobar, Felipe, Jara Bahamondes, Gisela, Soto Quina, Liliana, Godoy Sagredo, Sebastián, Venegas Cid, Cecilia, Allende Sánchez, Myriam, Aranda Chacón, Waldo, Albornoz Garrido, Claudia, Villegas Canquil, Jorge, Cayul Riffo, Ana, Gutiérrez, Andrea, Gatica, Marilyn, Salamanca, Gabriela, Díaz A., Carolina, Peña Martínez, Verónica, Lozano T., Mauricio, Fresno Rivas, María Consuelo, Angel Aguirre, Pablo, Cisternas Pinto, Patricia, Cabello Ibacache, Rodrigo, Bravo Yubini, Iside, Villegas Valle, María Jesús, Santana Nazarit, Paula, Tapia Crispi, Rosa, Meira Cardoso, Karina, Gama Nogueira, Silvana, Rodríguez Martínez, Gonzalo, Santos Alburqueque, Vivian Abreu, Souza Assumpção, Fabiana, Cuhna Scarparo, Fatima, Villa Scatena, Tereza, Neto Rufino, Antonio, Olave Müller, Paola, Arteaga Herrera, Oscar, González Escalona, Fernando, Valenzuela Bravo, María Teresa, Cavada Chacón, Gabriel, Lacoste Huenulef, Katherinne, Muñoz Pangui, Eilym
Published in Revista chilena de salud publica (09.09.2011)