1. Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
2. Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
3. Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
4. Medical Research Center, University of Oulu, Oulu, Finland
5. Biomechanics Laboratories, Cranfield Forensic Institute, Cranfield University, Defence Academy of the UK, Shrivenham, UK
6. CEDOC, EpiDoC Unit, NOVA Medical School and National School of Public Health, Universidade Nova de Lisboa, Lisboa, Portugal
7. Rheumatology Department, Centro Hospitalar de Lisboa Norte, EPE, Hospital de Santa Maria, Lisbon Academic Medical Centre, Lisbon, Portugal