1. Department of Inspection, The Medical Faculty of Qingdao University, Qingdao, China.
2. Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, China.
3. Center for Molecular Genetics, Institute for Translational Medicine, Qingdao University, Qingdao, China.
4. Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, China.