Institutional Review Board Statement
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committees and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol and source documents were approved by the Ramsay Sime Darby Independent Ethics Committee (Reference number: 201805.1, 12 July 2018), and the study is registered with the Malaysian National Medical Research Register (NMRR-18-287-40385, 22 April 2020) and ClinicalTrials.gov (NCT03686098 (accessed on 31 January 2019)).