Shah, Sarwat
Ainsworth, Hannah
Fairhurst, Caroline
Tilbrook, Helen
Sheikh, Aziz
Amos, Amanda
Parrott, Steve
Torgerson, David
Thompson, Heather
King, Rebecca
Mir, Ghazala
Siddiqi, Kamran
Article History
Received: 31 March 2015
Revised: 4 June 2015
Accepted: 22 June 2015
First Online: 27 August 2015
Competing interests
: AS is Joint Editor-in-Chief of <i>npj Primary Care Respiratory Medicine</i>, but was not involved in the editorial review of, nor the decision to publish, this article. All other authors declare no conflict of interest.