1. Neurovascular Interventional Therapy Center, Affiliated Hospital of Yan’an University, Yan’an 716000, Shaanxi, China
2. Department of Neurosurgery, Affiliated Hospital of Yan’an University, Yan’an 716000, Shaanxi, China
3. Department of Neurology, Hanzhong People’s Hospital, Hanzhong 723000, Shaanxi, China