Phil. Trans. R. Soc. B 370, 20130554 (2015; Published online 5 April 2015) (doi:10.1098/rstb.2013.0554)
The authors wish to add the following to their funding statement:
This study was co-funded by the European Regional Development Fund and the Republic of Cyprus through the Research Promotion Foundation (project no. YΓEΙA/ΔYΓEIA/0311(BIE)/13).