1 Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
2 Department of Clinical Medicine, Nanchang Medical College, Nanchang, China.
3 Department of Neurosurgery, Chang Gung Memorial Hospital, Chiayi, Taiwan.
4 Division of Neurosurgery, Department of Surgery, Changhua Christian Hospital, Changhua, Taiwan.
5 Department of Family Medicine, Lukang Christian Hospital, Lukang, Taiwan.
6 Division of Neurosurgery, Department of Surgery, Changhua Christian Hospital, Changhua, Taiwan. 96015@cch.org.tw.
7 College of Nursing and Health Sciences, Dayeh University, Changhua, Taiwan. 96015@cch.org.tw.
8 School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. 96015@cch.org.tw.
9 Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China. reigang@163.com.
10 Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China. xmhbs@21cn.com.