1. Unit of Child Neuropsychiatry–Movement Disorder Fondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
2. Institute of Human Genetics Technical University of Munich, School of Medicine and Health Munich Germany
3. Helmholtz Center Munich Institute of Neurogenomics Neuherberg Germany
4. Clinical Genetics Unit, Department of Women's and Children's Health University of Padova Padova Italy
5. Medical Genetics and Neurogenetics Unit Fondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
6. Institute for Advanced Study Technical University of Munich Garching Germany