1. University of Copenhagen, Denmark
2. University Hospital ‘Central de Asturias’, Spain
3. Nebraska HHS and Beatrice State Developmental Center, USA
4. Sahlgrenska University Hospital, Sweden
5. IRCCS Foundation, Milan, Italy
6. University Duisberg-Essen, Germany
7. Pôle Neurosciences Cliniques du CHU de Nice, France
8. Brigham and Women’s Hospital, USA
9. Duke University Medical Center, USA
10. University of Tromsø, Norway
11. Washington University School of Medicine, USA