1. Institute of Human Genetics University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Neurogenetic Laboratory, Department of Pediatric Neurology, Second Faculty of Medicine Charles University and Motol University Hospital Prague Czech Republic
3. Department of Neurology, Beijing Children's Hospital Capital Medical University, National Center for Children's Health Beijing China
4. Department of Genomics Medicine, Rare Disease Center Seoul National University Hospital Seoul Republic of Korea
5. Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel Petah‐Tikva Israel
6. Department of Pediatrics University Medical Center Hamburg‐Eppendorf Hamburg Germany
7. Department of Pediatrics Seoul National University College of Medicine Seoul Republic of Korea