- Correspondence to Dr J Davies, Blood Sciences, Wye Valley NHS Trust, Hereford NP15 1HR, UK;
- Received March 23, 2015
- Revised June 5, 2015
- Accepted June 11, 2015
- First published June 29, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.