1. Addiction Medicine Research Fellowship Program, Wake Forest School of Medicine, Winston-Salem, NC, USA
2. Translational Addiction Medicine Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD, USA
3. Monalco Research, Port Washington, WI, USA
4. Departments of Medicine and Emergency Medicine, School of Medicine, University of Colorado, Aurora, CO, USA
5. Toxicology Associates, Littleton, CO, USA