主题词：Renal Transplantation Outcomes and Treatments; Organ Transplantation Techniques and Outcomes; Transplantation: Methods and Outcomes; Organ Donation and Transplantation; Liver Disease and Transplantation; Renal and Vascular Pathologies; Cytomegalovirus and herpesvirus research; Neurological Complications and Syndromes; Mechanical Circulatory Support Devices; Polyomavirus and related diseases; Renal Diseases and Glomerulopathies; Hematopoietic Stem Cell Transplantation; Organ and Tissue Transplantation Research; Viral-associated cancers and disorders; Dialysis and Renal Disease Management; Liver Disease Diagnosis and Treatment; Hepatocellular Carcinoma Treatment and Prognosis; Hepatitis C virus research; Pregnancy and Medication Impact; Pharmacological Effects and Toxicity Studies; Metabolism and Genetic Disorders; Pneumocystis jirovecii pneumonia detection and treatment; T-cell and B-cell Immunology; Pancreatic function and diabetes; Hepatitis B Virus Studies