| Institution: | 1. Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, 676 St. Clair, Suite 2210, Chicago, IL 60611, USA;2. Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, 127 Changle West Road, Xi''an, Shaanxi 710032, China;3. Department of Orthopaedics, Beijing Tiantan Hospital, The Capital Medical University, Beijing 100050, People''s Republic of China;4. Department of Orthopaedic Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200127, People''s Republic of China;5. The Spine Clinic of Los Angeles, Good Samaritan Hospital, University of Southern California, 1245 Wilshire Blvd, Suite 717, Los Angeles, CA 90117, USA;1. Department of Neurological Surgery, Barrow Neurological Institute, St. Joseph''s Hospital and Medical Center, 350 W. Thomas Rd., Phoenix, AZ, 85013, USA;2. Department of Neurological Surgery, Northwestern University, Feinberg School of Medicine, 676 N St. Clair, Suite 2210, Chicago, IL, 60611, USA;3. Department of Neurological Surgery, Rush University Medical Center, 1725 W. Harrison St., Suite 855, Chicago, IL, 60612, USA;1. Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan;2. Department of Advanced Treatment for Spine and Spinal Cord Disorders, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan;3. Department of Orthopaedic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitame, 359-8513, Japan;1. Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA;2. Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA;3. Department of Neurosurgery, Pennsylvania Hospital, Philadelphia, Pennsylvania, USA;1. 1st Affiliated Hospital, Harbin Medical University, Harbin, Heilongjaing Province, China;2. Department of Epidemiology, Harbin Medical University, Harbin, Heilongjaing Province, China;1. Division of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA;2. Department of Neurosurgery, University of Texas Health Sciences Center at San Antonio, San Antonio, Texas, USA;3. Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA |
