Patel, B
Kirkwood, A A
Dey, A
Marks, D I
McMillan, A K
Menne, T F
Micklewright, L
Patrick, P
Purnell, S
Rowntree, C J
Smith, P
Fielding, A K
Article History
Received: 22 April 2016
Revised: 6 July 2016
Accepted: 8 July 2016
First Online: 2 August 2016
Competing interests
: Fielding received lab funding from Medac GmBH to carry out part of this work and that company were the supplier of PEG-ASP at the time of this work. The remaining authors declare no conflict of interest.