[1] Sandwell & West Birmingham NHS Fdn Trust, Birmingham, W Midlands, England
[2] Univ Hosp Birmingham NHS Fdn Trust, Birmingham, W Midlands, England
[3] Univ Insubria, Child Neuropsychiat Unit, Dept Med & Surg, Varese, Italy
[4] Del Ponte Hosp, Dept Maternal & Child Hlth, Neonatol Unit, Varese, Italy
[5] Univ Insubria, Paediat Unit, Dept Med & Surg, Varese, Italy
[6] IRCCS Mondino Fdn, Child Neuropsychiat Unit, Pavia, Italy
[7] Univ Pavia, Dept Brain & Behav Sci, Child Neuropsychiat Unit, Pavia, Italy
[8] Aston Univ, Sch Life & Hlth Sci, Aston Brain Ctr, Birmingham, W Midlands, England
[9] Birmingham & Solihull Mental Hlth NHS Fdn Trust B, Dept Neuropsychiat, Birmingham, W Midlands, England
[10] Univ Birmingham, Birmingham, W Midlands, England
[11] Inst Neurol, Sobel Dept Motor Neurosci & Movement Disorders, London, England
[12] UCL, London, England