1. St. George’s University of London, London, United Kingdom
2. National Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Athens, Greece
3. Queen Alexandra Hospital, Portsmouth, United Kingdom
4. UCL Institute for Liver and Digestive Health, Royal Free Hospital and UCL, London, United Kingdom
5. Joint Rheumatology Program, Clinical Immunology-Rheumatology Unit, 2nd Department of Medicine and Laboratory, Hippokration General Hospital, National and Kapodistrian University of Athens, Athens, Greece
6. School of Biomedical Engineering and Imaging Sciences, King’s College, London, United Kingdom