From the *Whiston Hospital, Prescot, Merseyside, University of Manchester, Manchester; and †Morriston Hospital, Swansea, Wales, United Kingdom.
Received May 25, 2012, and accepted for publication, after revision July 22, 2012.
Conflicts of interest and sources of funding: none declared.
Reprints: Kayvan Shokrollahi, BSc, MB, ChB, MSc, LLM, MRCS(Eng), FRCS(Plast), Whiston Hospital, Warrington Rd, Prescot, L35 5DR, United Kingdom. E-mail: firstname.lastname@example.org.