1. Institute of Environmental and Occupational Toxicology, CH-6780 Airolo, Switzerland
2. Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-Universität München, D-80336 München, Germany
3. Medantox LLC, Pittsburgh, Pennsylvania 15241, United States
4. ReNeuroGen LLC, Elm Grove, Wisconsin 53122, United States