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Authored by Professor Adrienne Flanagan and Dr. Ali Al Khader, Royal National Orthopaedic Hospital - Dr. Bogdan Leahu, Specialty Trainee in Pathology - Dr. Ananya Sah, Specialty Trainee in Pathology - Dr. Saba Vakili, Specialty Trainee in Pathology - Dr. Sara Bantran, Specialty Trainee in Pathology - Dr. Lena Al-Hilfi, Specialty Trainee in Pathology - Dr. Niknurulathirah Bintinikkamarudin, Specialty Trainee in Pathology - Dr. Gabriela Soares, Specialty Trainee in Pathology