1. Bournemouth University; Department of Psychology; Poole House, Fern Barrow Poole UK BH12 5BB
2. University of Bristol; Centre for Academic Mental Health, School of Social and Community Medicine; Barley House Oakfield Grove Bristol UK BS8 2BN
3. University of Bristol; MRC Integrative Epidemiology Unit, School of Social and Community Medicine; Bristol UK
4. University Hospitals Bristol Education Centre; NIHR Biomedical Research Unit in Nutrition, Diet and Lifestyle; Upper Maudlin Street Bristol Avon UK BS2 8AE
5. University Hospitals Bristol NHS Foundation Trust and the University of Bristol; National Institute for Health Research (NIHR) Biomedical Research Unit in Nutrition, Diet and Lifestyle; Upper Maudlin Street Bristol Avon UK BS2 8AE