1 School of Nursing, University of São Paulo, Av. Dr. Enéas Carvalho de Aguiar 419, Cerqueira César, CEP 05403-000, São Paulo, SP, Brazil. alvilela@usp.br.
2 School of Nursing, University of São Paulo, Av. Dr. Enéas Carvalho de Aguiar 419, Cerqueira César, CEP 05403-000, São Paulo, SP, Brazil.
3 Department of Epidemiology, Faculty of Public Health, University of São Paulo, São Paulo, Brazil.
4 CDA-Agricultural Defense Coordination, São Paulo, Brazil.