1. Chemistry and Drug Metabolism, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health; 251 Bayview Blvd. Suite 05A721 Baltimore MD 21224 USA
2. Currently at Armed Forces Medical Examiner System, Division of Forensic Toxicology; 115 Purple Heart Drive Dover AFB DE 19902 USA
3. Molecular Imaging Branch, IRP, National Institute on Mental Health, NIH; 6001 Executive Blvd. Bethesda MD 20892 USA
4. Currently at Department of Diagnostic Radiology; University of Turku; 20014 Turun yliopisto Finland
5. Currently at 7 Church Lane; Suite 15A Pikesville MD 21208 USA
6. Currently at Institute for Neuroscience and Medicine-4; Forschungszentrum Jülich 52425 Jülich Germany
7. Faculty of Psychology and Neuroscience, Department of Neuropsychology and Psychopharmacology; Maastricht University; 6211 LK Maastricht The Netherlands