Amos, Gregory C A
Gozzard, Emma
Carter, Charlotte E
Mead, Andrew
Bowes, Mike J
Hawkey, Peter M
Zhang, Lihong
Singer, Andrew C
Gaze, William H
Wellington, Elizabeth M H
Article History
Received: 24 June 2014
Revised: 27 October 2014
Accepted: 3 November 2014
First Online: 13 February 2015
Competing interests
: The authors declare no conflict of interest.