Affiliation: | 1. Instituto de Saude Coletiva, Universidade Federal da Bahia, , Salvador, Bahia, Brazil;2. Colegio de Ciencias de la Salud, Universidad San Francisco de Quito, , Quito, Ecuador;3. Asthma and Allergic Diseases Center, University of Virginia, , Charlottesville, VA, USA;4. Department of Epidemiology, London School of Hygiene and Tropical Medicine, , London, UK;5. Molecular and Biochemical Parasitology, Liverpool School of Tropical Medicine, , Liverpool, UK |