Vasconcelos, Alexandra
Bandeira, Nelson
Sousa, Swasilanne
Machado, Maria Céu
Pereira, Filomena
Article History
Received: 24 February 2021
Accepted: 20 May 2022
First Online: 31 May 2022
Declarations
:
: Approval to carry out this study was obtained from the Democratic Republic of Sao Tome and Príncipe Ministry of Health and Hospital Dr. Ayres de Menezes. Written informed consent was obtained from every participant (or their parent or legal guardian in the case of teenage under 16) after the purpose of the research was explained orally by the investigator. Participation in the survey was voluntary, as participants could decline to participate at any time during the study. Anonymity and safety of participants were ensured. All methods were performed in accordance with the relevant guidelines and regulations in practice.
: Not applicable.
: The authors declare that they have no competing interests.