Gerhard Ecker is Full Professor for Pharmacoinformatics at the Department of Pharmaceutical Chemistry, University of Vienna (Austria). His main scientific interests are pharmacoinformatic approaches to target drug transporters, in silico screening methods for promiscuous targets and antitargets, and new approaches for data integration and data mining. Rasmus Pr?torius Clausen is Associate Professor at Dept. Drug Design and Pharmacology, University of Copenhagen (former Royal School of Pharmacy) where he also did post-doctoral studies with P. Krogsgaard-Larsen. His main research topics are neuromedicinal chemistry with focus on glutamate, GABA and GHB, and epigenetic medicinal chemistry. He has a M.Sc. degree from University of Southern Denmark (Chemistry/Cell Biology) and a PhD degree from the University of Aarhus (Denmark). Harald Sitte studied Medicine at the Universities of Innsbruck and Vienna (Austria). He was appointed Professor for Psychopharmacology at Vienna Medical University in 2010. His main scientific research interests are the structure-function relationships in neurotransmitter transporters and the pharmacological activity of psychopharmacological medicines and drugs of abuse.