Competing interests
Leila Fernanda dos Santos, Devisson dos Santos Silva, Micael Deivison de Jesus Alves, Erika Vitoria Moura Pereira, Hortência Reis do Nascimento, Matheus Santos de Sousa Fernandes, Aristela de Freitas Zanona, Beat Knechtle, Katja Weiss, Felipe J. Aidar and Raphael Fabricio de Souza declare that they have no competing interests.