KU Leuven - Department of Microbiology, Immunology and Transplantation, Imperial College, Faculty Medicine, Dept Immunology and Inflammation, Mayo Clinic - Department of Laboratory Medicine and Pathology, Cedars-Sinai Medical Center - Department of Pathology and Laboratory Medicine, University of Nebraska Medical Center - Division of Nephrology, University of Texas Medical Branch-Galveston - Department of Pathology, Yeshiva University - Montefiore Medical Center, Johns Hopkins University - Department of Medicine, Mayo Clinic, Johns Hopkins University - Department of Pathology, Columbia University - Department of Pathology, Medical University of Vienna - Division of Nephrology and Dialysis, RWTH Aachen University Hospital - Institute of Pathology, University of Gothenburg - Department of Clinical Pathology, University of Chicago, Erasmus University Rotterdam (EUR) - Department of Clinical Bioinformatics, Arkana Laboratories - Department of Transplant Translational Research, Harvard University - Massachusetts General Hospital, Weill Cornell Medical College - Division of Nephrology and Hypertension, - Department of Pathology, Assistance Publique-Hopitaux de Paris (AP-HP), Emory University - Department of Pathology and Laboratory Medicine, Vanderbilt University - Department of Pathology, Microbiology and Immunology, The Voice of the Patient, University of Manitoba - Department of Pathology, Paris Expertise Centre for Organ Transplantation at Paris Cardiovascular Research Center (PARCC), Cedars-Sinai Medical Center - Division of Nephrology, Columbia University - Division of Nephrology, Duke University - Medical Center, Leiden University, Medical Center (LUMC), Department of Pathology, Medical University of Vienna - Department of Urology, Medical University of Vienna - Department of Pathology, Oregon Health and Science University, Ludwig Maximillian University Munich - Nephrology Center, University of Paris - Saint Louis Hospital, Weill Cornell Medical College - Division of Nephrology and Hypertension, Westmead Hospital - Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, University of Pittsburgh - Thomas E. Starzl Transplant Institute, Necker-Enfants Malades Hospital - Department of Pathology, Harvard University - Massachusetts General Hospital, Harvard University - Massachusetts General Hospital, University of Montreal - Maisonneuve-Rosemont Hospital, McGill University - Division of Nephrology & Multi-Organ Transplant Program, University Hospital Zurich, Mayo Clinic - Division of Nephrology and Hypertension, Weill Cornell Medical College - Division of Renal Pathology, University Hospitals Birmingham NHS Foundation Trust, University of Alberta - Department of Laboratory Medicine and Pathology, University of Claude Bernard Lyon 1 - CIRI, Radboud University Nijmegen - Radboud University Medical Center, Hospital Clinic of Barcelona - Nephrology Department, Imperial College London, Université Paris Cité - Department of Nephrology and Transplantation, Paris Expertise Centre for Organ Transplantation at Paris Cardiovascular Research Center (PARCC) and University of Alberta - Department of Laboratory Medicine and Pathology

Imperial College, Faculty Medicine, Dept Immunology and Inflammation, KU Leuven - Department of Microbiology, Immunology and Transplantation, Harvard University - Massachusetts General Hospital, Cedars-Sinai Medical Center - Department of Pathology and Laboratory Medicine, Université Paris Cité - Department of Nephrology and Transplantation, University of Nebraska Medical Center - Division of Nephrology, University of Texas Medical Branch-Galveston - Department of Pathology, Johns Hopkins University - Department of Medicine, Assistance Publique-Hôpitaux de Paris - Department of Kidney Transplantation, Johns Hopkins University - Department of Pathology, Columbia University - Department of Pathology, University of Edinburgh - Centre for Inflammation Research, University of Gothenburg - Department of Clinical Pathology, Charité - Universitätsmedizin Berlin - Department of Nephrology and Medical Intensive Care, Erasmus University Rotterdam (EUR) - Department of Clinical Bioinformatics, Arkana Laboratories - Department of Transplant Translational Research, Mayo Clinic - Department of Laboratory Medicine and Pathology, Weill Cornell Medical College - Division of Nephrology and Hypertension, University of Pittsburgh - Department of Hepatic and Transplantation Pathology, University of Göttingen - Department of Nephrology and Rheumatology, Emory University - Department of Pathology and Laboratory Medicine, Vanderbilt University - Department of Pathology, Microbiology and Immunology, Northwestern University - Feinberg School of Medicine, University of Manitoba - Department of Pathology, Guy's and St Thomas' NHS Foundation Trust, Columbia University - Division of Nephrology, Cedars-Sinai Medical Center - Division of Nephrology, Duke University - Medical Center, Leiden University, Medical Center (LUMC), Department of Pathology, Medical University of Vienna - Department of Urology, Critical Path Institute (C-Path), Medical University of Vienna - Department of Pathology, Ludwig Maximillian University Munich - Nephrology Center, New York University (NYU) - NYU Langone Transplant Institute, NYU Langone Transplant Institute, Westmead Hospital - Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, University of Manitoba - Department of Immunology, Necker-Enfants Malades Hospital - Department of Pathology, University of Pittsburgh - Thomas E. Starzl Transplant Institute, Harvard University - Massachusetts General Hospital, Harvard University - Massachusetts General Hospital, University of Montreal - Maisonneuve-Rosemont Hospital, McGill University - Division of Nephrology & Multi-Organ Transplant Program, University of Florida - Department of Medicine-Quantitative Health, University of San Francisco, Mayo Clinic - Division of Nephrology and Hypertension, Mayo Clinic - Division of Transplantation Surgery, University of Alberta - Department of Laboratory Medicine and Pathology, Radboud University Nijmegen - Radboud University Medical Center, University of Manitoba - Department of Immunology, Paris Expertise Centre for Organ Transplantation at Paris Cardiovascular Research Center (PARCC) and University of Alberta - Department of Laboratory Medicine and Pathology

University of Edinburgh - Centre for Inflammation Research, University of Texas, University of Minnesota - Minneapolis - Department of Pathology, Alexandria University - Faculty of Medicine, Columbia University - Department of Pathology, Mount Sinai Hospital, New York, Université de Toulouse - CHU de Toulouse, Cleveland Clinic, Ain Shams University, Emory University - Department of Pathology and Laboratory Medicine, University of California, San Francisco (UCSF) - Department of Surgery, Icahn School of Medicine at Mount Sinai - Department of Oncological Sciences, University of Toronto - Department of Laboratory Medicine and Pathobiology, University of Chicago - Department of Surgery, University of Oslo - Oslo University Hospital, Rikshospitalet, Cleveland Clinic, Diagnostic Pathology, Kyoto University Hospital, University of Chicago - Department of Pathology, Duke University - Medical Center, University of Toronto - University Health Network, University of Pittsburgh - Department of Pathology, University of Chicago - Department of Pathology, University of Pittsburgh - Department of Pathology, Northwestern University - Feinberg School of Medicine, Centenary Institute, Government of New South Wales - NSW Government Health, North Sydney, University-Hospital of Padova, King’s College London - Liver Histopathology Laboratory, University of Pittsburgh - Department of Pathology, Harvard University - Beth Israel Deaconess Medical Center, University Hospitals Birmingham NHS Foundation Trust, University of Kansas - University of Kansas Medical Center, Mount Sinai Hospital, New York - Recanati/Miller Transplantation Institute, Mount Sinai Medical Center, Hadassah-Hebrew University Medical Center, University of Pittsburgh - Department of Pathology, University of Miami - Department of Surgery, King’s College London - Institute of Liver Studies, Hannover Medical School, Hospital of Paris, Mayo Clinic - Arizona - Department of Pathology, University of Texas Medical Branch-Galveston, Mayo Clinic - Division of Transplantation Surgery, Hannover Medical School, Mount Sinai Health System - Department of Pathology, Institute for Clinical and Experimental Medicine (IKEM), University of California, Los Angeles (UCLA) - Department of Pathology, University of Pittsburgh - Department of Pathology, University of Ege - Department of Pathology, King’s College London - Liver Histopathology Laboratory, University of Pittsburgh - Medical Center (UPMC) and University of Pittsburgh - Department of Hepatic and Transplantation Pathology