Funding for this research was provided by:
Received: 17 October 2021
Accepted: 1 February 2022
First Online: 17 February 2022
: Ethical approval for the study was granted by the institutional review board of Muhimbili University of Health and Allied Sciences (Ref. No. 2014-11-07/AEC/Vol.IX/35). Further permission was obtained from the respective local camp leaders. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Before the beginning of data collection, the participants were introduced to the study and how confidentiality of their given information would be secured. All participants agreed to participate and signed informed consent forms. One participant turned 16 shortly after the introductory session (Birthday [DD/MM/YYYY]: 06/07/1999; Introduction: 24/04/2015). He only gave his own informed consent. During the study one participant died. Before his death he agreed to participate and signed informed consent forms. All remaining participants agreed to participate and signed informed consent forms.
: Not applicable.
: The authors declare that there is no conflict of interest regarding the publication of this article.