Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2018/20868-9)
Received: 27 June 2019
Accepted: 17 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: We will follow Declaration of Helsinki and Resolution 466/12 of the National Health Council according to the guidelines and regulatory norms of research involving human beings. Any participant under the age of 18 will sign an inform consent form as well it was signed by a legal representative, after reading, understanding and clarifying doubts with the researcher. Participants over 18 years old will sign their own consent. It will be made clear to the teenagers participants and their guardians that they may withdraw their participation in the study at any time without any harm or loss. The data obtained will be used for the sole purpose of this study, and a commitment made to maintain confidentiality as to the identity of the interviewees in the disclosure of the data. This study was approved by the Ethics and Research Commission of UNICAMP under number CAAE: 92869018.5.0000.5404. It has also been entered into REBEC: ExternalRef removed, on 11/19/18.
: Not applicable.
: LB was member of Board for Merck and occasionally provide lectures. The other authors do not have any conflict.