| Authors: |
McCleary N; Aberdeen Health Psychology Group, University of Aberdeen, Aberdeen, UK.; Health Services Research Unit, University of Aberdeen, Aberdeen, UK.; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa,Canada.; School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada., Francis JJ; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa,Canada.; School of Health Sciences, City University of London, London, UK.; School of Health Sciences, University of Melbourne, Melbourne, Australia., Campbell MK; Health Services Research Unit, University of Aberdeen, Aberdeen, UK., Ramsay CR; Health Services Research Unit, University of Aberdeen, Aberdeen, UK., Burton CD; Academic Unit of Primary Medical Care, University of Sheffield, Sheffield, UK., Allan JL; Aberdeen Health Psychology Group, University of Aberdeen, Aberdeen, UK.; Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK. |