1 University of Oxford, Department of Psychiatry, United Kingdom of Great Britain and Northern Ireland. Electronic address: orestis.zavlis@psych.ox.ac.uk.
2 University of Liverpool, Department of Primary Care and Mental Health, United Kingdom of Great Britain and Northern Ireland.
3 Complutense University of Madrid, Department of Psychology, Spain.
4 University of Manchester, Department of Social Statistics, United Kingdom of Great Britain and Northern Ireland.
5 University of Sheffield, Department of Psychology, United Kingdom of Great Britain and Northern Ireland.