1. I AM HYDRO GmbH, Leopoldstrasse 1, 78112 St. Georgen, Germany
2. FISHBIO, 1617 S Yosemite Blvd., Oakdale, CA 95361, USA
3. TIWAG—Tiroler Wasserkraft AG, Eduard-Wallnöfer-Platz 2, 6020 Innsbruck, Austria
4. Institute of Hydrobiology and Aquatic Ecosystem Management, University of Natural Resources and Life Sciences, Vienna (BOKU), Gregor-Mendel-Straße 33, 1180 Vienna, Austria