Baldan, V
Griffiths, R
Hawkins, R E
Gilham, D E
Article History
Received: 14 October 2014
Revised: 16 January 2015
Accepted: 16 February 2015
First Online: 17 March 2015
Competing interests
: REH and DEG are both co-founders of Cellular Therapeutics Ltd. All other authors declare no conflict of interest.