Anti-Bacterial Agents/administration & dosage; Cervical Vertebrae/injuries; Epidural Abscess/etiology; Fluoroquinolones/administration & dosage; Mycoplasma Infections/etiology; Mycoplasma hominis; Neurosurgical Procedures/adverse effects; Spinal Injuries/complications; Acute Disease; Adolescent; Delayed Diagnosis; Empyema, Subdural/etiology; Epidural Abscess/complications; Epidural Abscess/diagnosis; Epidural Abscess/microbiology; Epidural Abscess/therapy; Humans; Immunosuppression Therapy; Magnetic Resonance Imaging; Male; Moxifloxacin; Mycoplasma Infections/diagnosis; Mycoplasma Infections/drug therapy; Mycoplasma Infections/immunology; Mycoplasma Infections/microbiology; Mycoplasma hominis/drug effects; Mycoplasma hominis/isolation & purification; Postoperative Complications/etiology; Spinal Cord Compression/etiology; Spinal Injuries/etiology; Surgical Wound Dehiscence/etiology; Tomography, X-Ray Computed; Treatment Failure; Treatment Outcome