John Haughney1
, Monica Fletcher2
, Stephanie Wolfe3
, Julie Ratcliffe4
, Roger Brice5
and Martyn R Partridge6 
1
University of Aberdeen, Department of General Practice and Primary Care Aberdeen, AB25 2AY, UK
2
Education For Health, Chief Executive, Warwick, CV34 4AB, UK
3
Thorpewood Medical Group, Respiratory Nurse, Norwich, NR7 9QL, UK
4
University of Sheffield, Health Economics and Decision Science, Sheffield, S10 2TN, UK
5
Adelphi Group LTD, Research Director, Macclesfield, SK10 5JB, UK
6
Imperial College, Chair in Respiratory Medicine, London, W6 8RP, UK