[1] Univ Southampton, Fac Environm & Life Sci, Ctr Innovat Mental Hlth, Sch Psychol, Southampton, England
[2] Solent NHS Trust, Southampton, England
[3] New York Univ, Hassenfeld Childrens Hosp, NYU Langone, Child Study Ctr, New York, NY USA
[4] Univ Nottingham, Sch Med, Div Psychiat & Appl Psychol, Nottingham, England
[5] Univ Southampton, Fac Med, Sch Clin & Expt Sci, Southampton, England
[6] Univ Hosp Southampton NHS Fdn Trust, Southampton Childrens Hosp, Dept Sleep Med, Southampton, England
[7] Univ Southampton, Fac Environm & Life Sci, Ctr Innovat Mental Hlth CIMH, Sch Psychol, Highfield Campus,Bldg 44, Southampton SO17 1BJ, England