Horea Craciun, University Hospitals of Morecambe Bay NHS Trust, LA1 4RP Lancaster, United Kingdom
Kshitij Mankad, Great Ormond Street Hospital for Children NHS Trust, WC1N 3JH London, United Kingdom
Jeremy Lynch, Chelsea Westminster Hospital NHS Trust, SW10 9NH London, United Kingdom
Author contributions: Craciun H generated the paper concepts and design, completed the literature review and wrote the manuscript; Mankad K and Lynch J contributed to the writing of the manuscript and to its preparation and editing.
Conflict-of-interest: I wish to confirm that there are no known conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Dr. Horea Craciun, University Hospitals of Morecambe Bay NHS Trust, 414 Mill View House, Aalborg Place, LA1 4RP Lancaster, United Kingdom. firstname.lastname@example.org
Received: January 6, 2015
Peer-review started: January 7, 2015
First decision: March 6, 2015
Revised: April 20, 2015
Accepted: May 5, 2015
Article in press: May 6, 2015
Published online: June 28, 2015