Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (#2013/08135-2)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (141974/2015-0)
Received: 14 October 2019
Accepted: 23 December 2019
First Online: 10 February 2020
Ethics approval and consent to participate
: A written informed consent was obtained from all patients, and elderly people used as controls, and the ethical approval was granted by the Ethics Research Committee of the General Hospital of the Ribeirão Preto Medical School-USP (n. 2819/2016).
: Not applicable.
: The authors declare that they have no competing interests.