About the Authors

Ulisses Ramos Montarroyos

ulisses_montarroyos@yahoo.com.br

Affiliations Federal University of Pernambuco, Department of Tropical Medicine, Recife, Pernambuco, Brazil, State University of Pernambuco, School of Medical Sciences,Oswaldo Cruz University Hospital, Recife, Pernambuco, Brazil

Demócrito Barros Miranda-Filho

Affiliation State University of Pernambuco, School of Medical Sciences,Oswaldo Cruz University Hospital, Recife, Pernambuco, Brazil

Cibele Comini César

Affiliation Departament of Statistics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil

Wayner Vieira Souza

Affiliation Department of Public Health, Research Center Aggeu Magalhães, Osvaldo Cruz Fundation, Recife, Pernambuco, Brazil

Heloisa Ramos Lacerda

Affiliation Federal University of Pernambuco, Department of Tropical Medicine, Recife, Pernambuco, Brazil

Maria de Fátima Pessoa Militão Albuquerque

Affiliation Department of Public Health, Research Center Aggeu Magalhães, Osvaldo Cruz Fundation, Recife, Pernambuco, Brazil

Mariana Freitas Aguiar

Affiliation State University of Pernambuco, School of Medical Sciences,Oswaldo Cruz University Hospital, Recife, Pernambuco, Brazil

Ricardo Arraes de Alencar Ximenes

Affiliations Federal University of Pernambuco, Department of Tropical Medicine, Recife, Pernambuco, Brazil, State University of Pernambuco, School of Medical Sciences,Oswaldo Cruz University Hospital, Recife, Pernambuco, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: URM DBMF CCC WVS RAAX. Performed the experiments: URM DBMF HRL MFPMA MFA RAAX. Analyzed the data: URM CCC WVS RAAX. Contributed reagents/materials/analysis tools: URM DBMF CCC WVS HRL MFPMA MFA RAAX. Wrote the paper: URM DBMF CCC WVS HRL MFPMA MFA RAAX.