1. Institute of Neurogenetics; University of Lübeck; Lübeck; Germany
2. University of Santo Tomas; Metro Manila; Philippines
3. Philippine Children's Medical Center; Metro Manila; Philippines
4. St Luke's Medical Center; Metro Manila; Philippines
5. University of the Philippines-Philippine General Hospital; Metro Manila; Philippines
6. Departments of Neurology; University of Rostock; Rostock; Germany
7. Centogene GmbH, Institute of Molecular Diagnostics; Rostock; Germany
8. Institute of Human Genetics, Christian-Albrechts-University; Kiel; Germany
9. Institut für Humangenetik, Universität zu Lübeck; Lübeck; Germany