1. Division of Anatomy, School of Medical Sciences, University of Phayao, Muang Phayao, Phayao 56000, Thailand
2. Division of Physiology, School of Medical Sciences, University of Phayao, Muang Phayao, Phayao 56000, Thailand
3. Department of Medical Technology, School of Allied Health Sciences, University of Phayao, Muang Phayao, Phayao 56000, Thailand
4. Faculty of Medicine, Mahasarakham University, Mahasarakham 44000, Thailand