Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2013/07607-8)
Received: 5 August 2020
Accepted: 21 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study does not require ethical approval because the systematic review is based on published research and the original data are anonymous.
: Authors are the sole responsible for the publication of this study.
: Authors have no competing interests to declare.