1. Department of Medical Technology, Qujing Medical College, Qujing 655011, China
2. Institute of Characteristic Medicinal Resource of Ethnic Minorities, Qujing Normal University, Qujing 655011, China
3. Department of Urology, The First People Hospital of Qujing, Qujing 655011, China
4. Department of Spine Surgery, People's Liberation Army 107th Hospital, Yantai 264002, China