Affiliation: | 1. Center of Respiratory Diseases, Adolfo Lutz Institute, , S?o Paulo, Brazil;2. Center of Cell Culture, Adolfo Lutz Institute, , S?o Paulo, Brazil;3. Special Health Service of Araraquara (SESA), , S?o Paulo, Brazil;4. State Secretariat of Health of S?o Paulo, , S?o Paulo, Brazil |