From the University Hospital of Durham, Durham, United Kingdom.
Received February 29, 2012, and accepted for publication, after revision, July 20, 2012.
Conflicts of interest and sources of funding: none declared.
Reprints: Ahmed Ali-Khan, FRCS (Plast), University Hospital of Durham, North Road, Durham, DH1 5TW, United Kingdom. E-mail: firstname.lastname@example.org.