Sen Zhao, Zhe Liang, Viktor Demko, Robert Wilson, Wenche Johansen, Odd-Arne Olsen and Kamran Shalchian-Tabrizi*
* Corresponding author: Kamran Shalchian-Tabrizi kamran@bio.uio.no
BMC Evolutionary Biology 2012, 12:193 doi:10.1186/1471-2148-12-193