Received: 10 April 2019
Accepted: 20 September 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: Written informed consent was obtained from adult participants. In the case of adolescent participants, written consent was obtained from their parents or legally accepted representatives. The KHRC Institutional Ethics Committee reviewed the protocol and all instruments associated with this study as part of the activities of the KHDSS with the following details: Ref: KHRC/IEC/ICF/2010-1; FWA: 00011103; and IOR0004854 on the approval certificate.
: Not applicable.
: The authours declare that they have no competing interests.