Funding for this research was provided by:
Fogarty International Center (5D43TW008660-05)
Received: 5 October 2018
Accepted: 20 September 2019
First Online: 21 October 2019
Ethics approval and consent to participate
: This study was approved by the Aga Khan University ethical approval committee, with ERC number 3235-CHS-ERC-14. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests. The funders had no role in study design, data collection, analysis, decision to publish, or preparation of the manuscript. The content is solely the responsibility of the authors and does not necessarily represent the official views of the Fogarty International Center, National Institute of Neurologic Disorders and Stroke or the National Institute of Health.