1. Faculty of Health and Medicine, Lancaster Medical School Lancaster University Lancaster UK
2. Faculty of Social Science, School of Psychology University of Chester Chester UK
3. Division of Population Health, Health Services Research and Primary Care, Faculty of Biology, Medicine and Health, School of Health Sciences, Centre for Biostatistics The University of Manchester Manchester UK
4. Division of Psychology and Mental Health, Faculty of Biology, Medicine and Health, School of Health Sciences, Manchester Centre for Health Psychology The University of Manchester Manchester UK