1. Graduate Program in Neuroscience University of Washington Seattle Washington USA
2. Department of Psychiatry and Behavioral Sciences University of Washington Seattle Washington USA
3. Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program Baltimore Maryland USA
4. Department of Pharmacology University of Washington Seattle Washington USA
5. Department of Biology University of Washington Seattle Washington USA
6. Department of Anesthesiology and Pain Medicine University of Washington Seattle Washington USA
7. Center for Neurobiology of Addiction, Pain, and Emotion University of Washington Seattle Washington USA