Affiliation: | 1. Department of Anatomy, University of Health Sciences, Lahore, Pakistan;2. Department of Orthopaedic Surgery, RUSH University Medical Center, Chicago, IL, United States;3. International Spine Research and Innovation Initiative (ISRII), RUSH University Medical Center, Chicago, IL, United States;4. Department of Orthopaedic Surgery, University of California, San Francisco, CA, United States;5. Department of Twin Research and Genetic Epidemiology, King''s College London, London, United Kingdom;6. Medical Research Center Oulu, University of Oulu, Oulu University Hospital, Oulu, Finland;2. American Institute for Radiologic Pathology, American College of Radiology, Silver Spring, MD;3. Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD |