1. Fish Disease Research Group, Department of Biology, University of Bergen, Thormøhlensgate 55, Bergen N-5020, Norway
2. Cermaq Group AS, Dronning Eufemias Gate 16, Post Office Box 144, Sentrum, Oslo N-0102, Norway
3. Cermaq Chile, Diego Portales 2000, Piso 10, Puerto Montt, Chile