1. Institute of Aquaculture Systems and Animal Nutrition in the Tropics and Subtropics (480B); University of Hohenheim; Stuttgart Germany
2. Clinical Division of Fish Medicine; University of Veterinary Medicine; Vienna Austria
3. Thünen-Institute of Fisheries Ecology; Federal Research Institute for Rural Areas, Forestry and Fisheries; Johann Heinrich von Thünen-Institut; Ahrensburg Germany