United States Magnetic Resonance Imaging Systems Market Assessment, By Field Strength [Low, Medium, High, Ultra-High], By Design [Open MRI, Traditional MRI, Wide Bore MRI], By Application [Cardiology, Oncology, Neurology, Musculoskeletal, Orthopedic, Gastroenterology, Others], By End-user [Hospitals, Diagnostic and Imaging Centers, Ambulatory Surgical Centers, Others], By Region, Opportunities and Forecast, 2017-2031F