1. Department of Pediatric Emergency Care, APHP - Hopital Robert Debré, Paris, France
2. Department of Specialty and Integrated Medicine, The Leeds Teaching Hospitals, NHS Trust, Leeds, UK
3. Department of Oncology, The Leeds Teaching Hospitals, NHS Trust, Leeds, UK
4. Pediatric Migraine and Neurovascular Diseases Unit, APHP - Hopital Robert Debré, Paris, France
5. Paris University, INSERM U1141, DHU Protect, Paris, France