Barbosa Júnior, Walter Lins http://orcid.org/0000-0002-8301-6600
Justo, Alda Maria
dos Santos, Ana Maria Aguiar
do Carmo, Rodrigo Feliciano
de Melo, Fábio Lopes
Vasconcelos, Luydson Richardson Silva
de Medeiros, Zulma Maria
Article History
Received: 16 August 2019
Accepted: 29 December 2019
First Online: 6 January 2020
Compliance with ethical standards
: Peripheral blood samples were collected with informed consent over the course of 6 years (2012–2017). The Research Ethics Committee of the Instituto Aggeu Magalhães (CAAE no. 61218816.1.0000.5190) approved the study.
: The authors declare that they have no conflicts of interest.