1. Department of Rheumatology and Immunology, Medical University of Graz, Graz, Austria
2. Department of Neurology, Harvard Medical School, Brigham and Women’s Hospital, Harvard, MA, USA
3. Department of Pediatric Hemato-Oncology, Medical University of Graz, Graz, Austria
4. Servizio di Reumatologia, Azienda Sanitaria dell’Alto Adige, Ospedale di Brunico, Brunico, Italy