1. University of Phayao, Phayao, Thailand
2. Monash University Malaysia, Kuala Lumpur, Malaysia
3. Naresuan University, Phitsanulok, Thailand
4. Department for Development of Thai Traditional and Alternative Medicine, Ministry of Public Health, Nonthaburi, Thailand
5. University of Queensland, Brisbane, Queensland, Australia
6. University of Wisconsin–Madison, WI, USA