[1] UCL, Natl Hosp Neurol & Neurosurg, Sobell Dept Motor Neurosci & Movement Disorders, London, England
[2] Kings Coll London, Int Parkinsons Ctr Excellence, Denmark Hill Campus, London, England
[3] Kings Coll Hosp London, Denmark Hill Campus, London, England
[4] Woolwich Lewisham & Greenwich NHS Trust, Queen Elizabeth Hosp, London, England
[5] BSMHFT, Dept Neuropsychiat, Birmingham, W Midlands, England
[6] Univ Birmingham, Birmingham B15 2TT, W Midlands, England
[7] Catania Univ, Dipartimento Sci Med & Pediat, Sect Child Neuropsichiat, Catania, Italy
[8] Ctr Reference Natl Malad Rare Syndrome Gilles Tou, Dept Neurol, Pole Malad Syst Nerveux, Paris, France
[9] Univ Groningen, Univ Med Ctr Groningen, Dept Child & Adolescent Psychiat, Groningen, Netherlands
[10] Kings Hlth Partners AHSC, Evelina London Childrens Hosp Guys & St Thomas, TANDeM Clin, London, England
[11] Glostrup Univ Hosp, Dept Pediat, Glostrup, Denmark
[12] Hannover Med Sch, Clin Psychiat Socialpsychiat & Psychotherapy, Carl Neuberg St 1, D-30625 Hannover, Germany
[13] Forschungszentrum Julich, INM 4, Julich, Germany
[14] Rhein Westfal TH Aachen, Dept Psychiat Psychotherapy & Psychosomat, JARA BRAIN Translat Med, Aachen, Germany
[15] IRCCS Galeazzi, Dept Neurosurg, Milan, Italy
[16] IRCCS Galeazzi, Dept Neurol, Milan, Italy
[17] Univ Roma La Sapienza, Dept Psychol, Rome, Italy
[18] Tech Univ Dresden, Klin & Poliklin Kinder & Jugendpsychiat & Psychot, Dresden, Germany