Instituto Nacional de Salud Pública; WHO; IDRC; Task Force on Health Research for Development(National Institute of Public Health, Cuernavaca, MX, 1992)
Micronutrient Initiative; International Council for Control of Iodine Deficiency Disorders; UNICEF; WHO; Rollins School of Public Health(PAMM/MI/ICCIDD, Atlanta, GA, US, 1995)
Instituto Nacional de Salud Pública; WHO; IDRC; Task Force on Health Research for Development; Pan American Health Organization(National Institute of Public Health, Cuernavaca, MX, 1992)