Received: 21 November 2019
Accepted: 17 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: This clinical trial was approved by the Institutional Review Board of Dow University of Health Sciences (Ref:IRB-941/DUHS/Approval/2017/162) and was registered under the protocol ID NCT03881813 (ExternalRef removed) according to the CONSORT statement of the updated guidelines for reporting randomized clinical trials. Written consent was taken from all participants. For all subjects under age 16 years, written consents were obtained from parents/ guardians.
: Not applicable.
: The authors declare that they have no competing interests.