[1] Univ Bath, Dept Psychol, Bath, Avon, England
[2] Univ Reading, Sch Psychol & Clin Language Sci, Reading, Berks, England
[3] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England
[4] Oxford Hlth NHS Fdn Trust, Savernake Hosp, Specialist Eating Disorder Serv, Cotswold House, Marlborough, Wilts, England
[5] Bristol Royal Hosp Children, Emergency Dept, Bristol, Avon, England
[6] Univ West England, Fac Hlth & Appl Sci, Bristol, Avon, England
[7] Univ Oxford, Dept Expt Psychol, Oxford, England