Received: 24 November 2020
Accepted: 17 March 2021
First Online: 31 March 2021
: The study was reviewed and approved by the Ethical Committee of the Ministry of Health of Cape Verde (Reference no. 39/2017) and by the National Data Protection Commission (reference no. 30/2019). Written informed consent of all participants was then obtained after giving respondents adequate information on the aim of the study, potential risks and benefits of being participant, and the rights of the respondents. The privacy and confidentiality issues had been secured throughout the processes.
: Received from all co-authors.
: The authors declare that they have no competing interests.