[1] Univ New Hampshire, Hubbard Ctr Genom Studies, Durham, NH 03824 USA
[2] GenoMarASA, N-0349 Oslo, Norway
[3] Agr Res Org, Volcani Ctr, Dept Aquaculture, Inst Anim Sci, IL-50250 Bet Dagan, Israel
[4] Tokyo Inst Technol, Fac Biosci & Biotechnol, Midori Ku, Yokohama, Kanagawa 2268501, Japan