Document is current

Article History

Accepted: 3 March 2018

First Online: 12 March 2018

Compliance with ethical standards

:

: The authors declare no potential conflicts of interest with respect to the authorship and/or publication of this article.

: The study protocol was approved by the Human Research Ethics Committee of the Federal University of Minas Gerais (protocol number: 0421.0.203.000-11). Adolescents and their legal guardians were informed that participation was entirely voluntary and if they chose not to participate, their decision would not have any consequences and would not affect the services that they were about to receive at the university in any way. Once they agreed to participate, the adolescents and their legal guardians signed a statement of informed consent. They were informed about the objectives of the study and assured of the confidentiality of the data collected. Hard copies were locked in a filing cabinet. Digital information was kept in a computer protected by a password. No participants were offered incentives or compensation for participation in any form.