[1] Anglia Ruskin Univ, Cambridge Ctr Sport & Exercise Sci, Cambridge CB1 1PT, England
[2] Med Univ Vienna, Ctr Publ Hlth, Dept Social & Prevent Med, A-1090 Vienna, Austria
[3] Ctr Publ Hlth, Dept Epidemiol, Kinderspitalgasse 15,1st Floor, A-1090 Vienna, Austria
[4] CNR, Neurosci Inst, Aging Branch, I-35121 Padua, Italy
[5] Univ Barcelona, Res & Dev Unit, Fundacio St Joan de Deu, Parc Sanitari St Joan de Deu, Barcelona 08950, Spain
[6] Inst Salud Carlos III, Ctr Invest Biomed Red Salud Mental, CIBERSAM, Madrid 28029, Spain
[7] UCL, Dept Behav Sci & Hlth, London WC1E 7HB, England