1. Navamindradhiraj University,Faculty of Science and Health Technology,Department of Health Technology,Bangkok,Thailand
2. Kyushu University,Faculty of Information Science and Electrical Engineering,Department of Informatics,Fukuoka,Japan
3. College of Biomedical Engineering Rangsit University,Pathum Thani,Thailand
4. Mahidol University,Faculty of Engineering,Department of Biomedical Engineering,Nakhon Pathom,Thailand