- Correspondence to Dr Anton-Paul T Mayer, Bluebell Wood Children's Hospice, Cramfit Road, North Anston, Sheffield S25 4AJ, UK;
- Received May 9, 2014
- Revised June 6, 2014
- Accepted June 12, 2014
- First published July 3, 2014.
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.