Institution: | 1. Department of Spinal Surgery,The First Hospital of Jilin University, No.71,Xinmin Avenue, Chaoyang District, Changchun, Jilin Province 130021,China;2. Department of Neurosurgery, The First Hospital of Jilin University, No.71, Xinmin Avenue, Chaoyang District, Changchun, Jilin Province 130021, China;University of Crete, GREECE |