1. Department of Pediatrics, ZNA Jan Palfijn, University of Antwerp, Antwerp, Belgium
2. Department of Pediatric Neurology, Pediatrics, Antwerp University Hospital, Antwerp University, Edegem, Belgium
3. Department of Pediatrics, ZNA Jan Palfijn, Merksem, Belgium
4. Department of Immunology, Allergology and Rheumatology, Antwerp University Hospital, Antwerp University, Edegem, Belgium
5. Department of Rheumatology, ZNA Jan Palfijn, Merksem, Belgium