doi:10.1017/S1047951111001260, Published by Cambridge University Press, 21 September 2011.
The authors regret that in the originally published paper, all authors are mentioned by their first name and the initial of their surname. The correct writing of the authors names is as follows:
Kossiva L, Karanassios E, Papadopoulos G, Karavanaki K
The authors apologise for their error.