1. Institute of Marine research (IMR); Matre Aquaculture Research Station; Matredal Norway
2. Institute of Marine research (IMR); Nordnes Bergen Norway
3. Reproductive Biology Group; Division Developmental Biology; Department of Biology; Faculty of Sciences; Utrecht University; Utrecht The Netherlands
4. Uni Research Environment; Bergen Norway
5. Institute of Marine research (IMR); Austevoll Research Station; Storebø Norway