Burnett, A K
Russell, N
Hills, R K
Panoskaltsis, N
Khwaja, A
Hemmaway, C
Cahalin, P
Clark, R E
Milligan, D
Article History
Received: 26 September 2014
Revised: 1 December 2014
Accepted: 10 December 2014
First Online: 13 February 2015
Competing interests
: AKB has acted on a data monitoring committee for Cyclacel Ltd. The remaining authors declare no conflict of interest.