Funding for this research was provided by:
Harvard Medical School Center for Global Health Delivery-Dubai
Received: 25 March 2020
Accepted: 11 June 2020
First Online: 11 July 2020
Ethics approval and consent to participate
: Ethical approvals for the study were obtained by the Institutional Review Board of Harvard University and the local ethical approval was obtained from the following ethics committee in Pakistan: Interactive Research and Development-Institutional Review Board (IRD-IRB). This is registered with the U.S. Department of Health and Human Services (DHHS) Office for Human Research Protections (OHRP) with registration number IRB 00005148. A written informed parental consent for the participation of children in the study was obtained from all parents before enrolling their children in the study.
: Not applicable.
: All authors declare that they have no competing interests.