Funding for this research was provided by:
Kerala State Council for Science, Technology and Environment (22/KBC/2015/KSCSTE)
Received: 21 August 2020
Accepted: 29 January 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: This study was ethically reviewed and approved by Institutional Human Ethical Committee of the participating institutes, SCTIMST (SCT/IEC/629/JUNE-2014) and RGCB (IHEC/01/2015/05).
: Not applicable
: The authors declare no competing interests.