1. Department of Neurosciences and Mental Health, Hospital de Santa Maria, Centro Hospitalar Universitário de Lisboa-Norte, Lisbon, Portugal,
2. Medical Genetics Unit, Department of Pediatrics, Hospital de Santa Maria, Centro Hospitalar Universitário de Lisboa-Norte, Lisbon, Portugal,
3. Department of Neurology, Centro Hospitalar Universitário de S. João, Porto, Portugal,
4. Faculdade de Medicina-Instituto de Medicina Molecular, Universidade de Lisboa, Lisbon, Portugal, and
5. Neurogenetics Unit, Department of Medical Genetics, Centro Hospitalar Universitário de S. João, Porto, Portugal