1. Department of Surgery, Chiang Mai University,
2. Department of Internal Medicine, Chiang Mai University
3. Department of Rehabilitation Medicine, Chiang Mai University
4. Department of Surgery, Chiang Mai University
5. Department of Surgical Nursing, Faculty of Nursing Chiang
Mai University, Chiang Mai, Thailand
6. Department of Internal Medicine, Chiang Mai University, Department of Family Medicine, Faculty of Medicine,
Chiang Mai University