1. YASARA Biosciences GmbH, Wagramer Str. 25/3/45, 1220 Vienna, Austria
2. Center for Physiology and Pharmacology, Institute of Pharmacology, Medical University of Vienna, Waehringerstr. 13A, 1090 Vienna, Austria
3. Sciloop, Karl-Theodor-Strasse 20, 22765 Hamburg, Germany