1. Department of Public Health Nursing, Faculty of Public Health, Mahidol University, Bangkok, Thailand
2. School of Nursing, Southwest Medical University, Luzhou, China
3. Department of Biostatistics, Faculty of Public Health, Mahidol University, Bangkok, Thailand
4. Department of Orthopedics and Center for Orthopedic Diseases Research, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China