1. Public Health Department, Instituto Aggeu Magalhães, Fiocruz, Pernambuco, Brazil
2. Public Health Department, University of Pernambuco, Nossa Senhora das Graças Nursing School, FENSG/UPE, FOP/UPE, Pernambuco, Brazil
3. Public Health Department, Federal University of Pernambuco (UFPE), Pernambuco, Brazil
4. Public Health Department, University of Montreal, Montreal, Quebec, Canada
5. Public Health Department, Université Paris Cité, IRD, Inserm, Ceped, Paris, France