1. Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
2. Clinical Laboratory, Central Laboratory, Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao, People’s Republic of China
3. Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China