Stomby, A
Simonyte, K
Mellberg, C
Ryberg, M
Stimson, R H
Larsson, C
Lindahl, B
Andrew, R
Walker, B R
Olsson, T
Article History
Received: 15 August 2014
Revised: 6 October 2014
Accepted: 13 October 2014
First Online: 28 October 2014
Competing interests
: BRW is an inventor on relevant patents owned by the University of Edinburgh. AS, KS, CM, MR, RHS, CL, BL, RA and TO have nothing to disclose.