1. Department of Psychiatry and Human Behavior Alpert Medical School of Brown University, Providence, RI, USA
2. Centers for Behavioral and Preventative Medicine, The Miriam Hospital, Providence, RI, USA
3. Department of Psychology, Rutgers, the State University of New Jersey, Piscataway, NJ, USA
4. Behavioral Medicine and Addictions Research Group, Butler Hospital, Providence, RI, USA
5. Department of Psychology, University of Houston, Houston, TX, USA
6. Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, USA