1. Department
of Biochemistry and Structural Biology, Lund University, P.O.
Box 124, SE-221 00 Lund, Sweden
2. Biology/Aquatic
Ecology, Lund University, SE-223 62 Lund, Sweden
3. Department
of Biomedical Science, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark