1 Departments of Rheumatology, Patras University Hospital, University of Patras Medical School, Patras, Greece. Electronic address: jimdaoussis@hotmail.com.
2 Radiology, Patras University Hospital, University of Patras Medical School, Patras, Greece.
3 Orthopedics, Patras University Hospital, University of Patras Medical School, Patras, Greece.
4 Infectious Diseases, Patras University Hospital, University of Patras Medical School, Patras, Greece.