[1] UCL, Dept Behav Sci & Hlth, 1-19 Torrington Pl, London WC1E 6BT, England
[2] Ctr Publ Hlth, Dept Epidemiol, Vienna, Austria
[3] Univ Barcelona, Res & Dev Unit, Fundacio St Joan de Deu, Parc Sanitari St Joan de Deu, Barcelona, Spain
[4] Inst Salud Carlos III, Ctr Invest Biomed Red Salud Mental, CIBERSAM, Madrid, Spain
[5] South London & Maudsley NHS Fdn Trust, Physiotherapy Dept, Denmark Hill, London, England
[6] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Serv, De Crespigny Pk, London, England
[7] Kings Coll London, Inst Psychiat Psychol & Neurosci, Populat Res Dept, De Crespigny Pk, London, England
[8] Anglia Ruskin Univ, Fac Hlth Social Care & Educ, Chelmsford, Essex, England
[9] CNR, Neurosci Inst, Area Ric Padova, Padua, Italy
[10] Anglia Ruskin Univ, Cambridge Ctr Sport & Exercise Sci, Cambridge, England