1. Center for Behavioral Neuroscience; Institute of Experimental Psychology; Heinrich-Heine-University of Dusseldorf; Düsseldorf Germany
2. Department of Psychiatry and Psychotherapy; University Clinic; Friedrich-Alexander-University Erlangen-Nuremberg; Erlangen Germany
3. Institute of Nutritional Science; Faculty of Mathematics and Natural Science; University of Potsdam; Nuthetal Germany
4. M et P Pharma AG; Emmetten Switzerland
5. Oceanographic Center; Nova Southeastern University; Fort Lauderdale Florida USA
6. Department of Molecular Biology; University of Duisburg-Essen; Essen Germany
7. Department of Surgery; University of Cincinnati; Cincinnati Ohio USA