Received: 6 August 2018
Accepted: 13 September 2018
First Online: 20 September 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from ethical review board of Eduardo Mondlane University. All participants provided written informed consent for data collection and publication prior to data collection. All participants were at least 18 years of age. Data collectors informed participants of their right to end the data collection event at any time or skip any questions. No personally identifiable information was collected.
: Not applicable.
: The authors declare that they have no competing interests.
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