1. Center for Behavioral Neuroscience Institute of Experimental Psychology Heinrich‐Heine‐Universität Düsseldorf Düsseldorf Germany
2. Institute of Anatomy II, Medical Faculty Heinrich Heine Universität Düsseldorf Germany
3. Clinic of Nuclear Medicine University Hospital Düsseldorf Düsseldorf Germany
4. Institute of Microbiology Heinrich Heine Universität Düsseldorf Düsseldorf Germany
5. M et P Pharma AG Emetten Switzerland
6. Oceanographic Center Nova Southeastern University Fort Lauderdale FL USA