Affiliation: | 1. Centro Médico de Caracas; Centro Médico Docente La Trinidad y Programa de Medicina Comunitaria; Allergology Unit, Hospital San, Juan de Dios, Caracas, Venezuela;2. LETI Laboratories, Caracas, Venezuela;3. General Practitioner, ambulatory health care facility “Los Erasos”; Health District 1, Ministry of Health, Caracas, Venezuela;4. Programa de Medicina Comunitaria, Centro Médico Docente, La Trinidad, Venezuela |