Global Computed Tomography Devices Market, By product (Low Slice CT Scanner, Medium Slice CT Scanner, High Slice CT Scanner), by Application (Cardiovascular, Oncology, Neurovascular, Abdomen and Pelvic, Pulmonary Angiogram, Spinal, Musculoskeletal), by End-User (Hospitals, Diagnostics Centers), By Geography (North America, Europe, Asia-Pacific, Europe, South America, Middle East and Africa) and Forecast, 2018-2024