Antitubercular Agents/administration & dosage; Isoniazid/administration & dosage; Latent Tuberculosis/prevention & control; Liver Transplantation/adverse effects; Tuberculosis, Pulmonary/prevention & control; Adult; Aged; Antitubercular Agents/adverse effects; Chi-Square Distribution; Drug Administration Schedule; Drug Therapy, Combination; Feasibility Studies; Female; Humans; Immunosuppressive Agents/adverse effects; Isoniazid/adverse effects; Kaplan-Meier Estimate; Latent Tuberculosis/diagnosis; Latent Tuberculosis/microbiology; Latent Tuberculosis/mortality; Liver Transplantation/immunology; Liver Transplantation/mortality; Male; Middle Aged; Mycobacterium tuberculosis/drug effects; Mycobacterium tuberculosis/pathogenicity; Proportional Hazards Models; Retrospective Studies; Risk Assessment; Risk Factors; Spain; Time Factors; Treatment Outcome; Tuberculin Test; Tuberculosis, Pulmonary/diagnosis; Tuberculosis, Pulmonary/microbiology; Tuberculosis, Pulmonary/mortality; Young Adult