1. Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
2. Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
3. Department of Veterans Affairs, New Jersey Health Care System, East Orange, NJ, USA
4. Department of Pharmacology, Physiology & Neuroscience, New Jersey Medical School, Rutgers University, Newark, NJ, USA
5. School of Social Sciences and Psychology, Western Sydney University, Sydney, NSW, Australia
6. NHMRC Centre of Research Excellence in Mental Health and Substance Use, Discipline of Addiction Medicine, Central Clinical School, The University of Sydney, Sydney, NSW, Australia
7. The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Sydney, Australia