1. Department of Biomedical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom 73170, Thailand
2. Thailand Research Fund through the Royal Golden Jubilee Ph.D. Program, Phayathai, Bangkok 10400, Thailand
3. Thailand International Cooperation Agency (TICA), Thungsonghong Laksi District, Bangkok 10210, Thailand
4. Department of Applied Thai Traditional Medicine, School of Medicine, Walailak University, Nakhon Si Thammarat 80160, Thailand