Funding for this research was provided by:
Philippine-California Advanced Research Institutes (IHITM 2016-17)
Received: 8 November 2021
Accepted: 24 January 2022
First Online: 5 April 2022
: The project was officially approved by the Institutional Review Board of the University of California Davis and the Research Ethics Board of the University of the Philippines Manila. All procedures performed in the study 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. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: None of the authors have any conflicts/competing interests.