1. Department of Rehabilitation, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, China
2. Postdoctoral Workstation, Department of Central Laboratory, The Affiliated Taian City Central Hospital of Qingdao University, Taian 271000, China
3. Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
4. Stomatological Hospital, Southern Medical University, Guangzhou 510280, China