Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (155390/2018-0)
Fundação de Amparo à Pesquisa do Estado de São Paulo (13/20549-7)
Received: 30 July 2019
Accepted: 25 October 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: This study has been approved by the ethics committee of the School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, Brazil (register CAAE number 93712418.1.0000.5419).
: Not applicable since there are no identifying images or other personal or clinical details of participants presented. Informed consent materials are available from the corresponding author.
: The authors declare that they have no competing interests.