1. Addiction Biology Unit ; Department of Psychiatry and Neurochemistry; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
2. Department of Psychiatry ; Virginia Commonwealth University; Richmond Virginia
3. Department of Pharmacology and Toxicology ; Virginia Commonwealth University; Richmond Virginia
4. Faulk Center for Molecular Therapeutics ; Northwestern University; Evanston Illinois
5. Aptinyx ; Evanston Illinois