Received: 22 April 2020
Accepted: 15 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: Ethical clearance was provided by the Animal Care and Use Committee, Faculty of Tropical Medicine, Mahidol University, Bangkok (No. FTM-ACUC 024-2019E).
: Not applicable.
: The authors declare that they have no competing interests.