| Substance Abuse Treatment Unit, Yale University |
| New Haven, Connecticut, United States, 06511 |
| University of Miami School of Medicine |
| Miami, Florida, United States, 33136 |
| Boston University School of Medicine |
| Boston, Massachusetts, United States, 02118 |
| Harvard University/McLean Hospital |
| Belmont, Massachusetts, United States, 02478 |
| Massachusetts General Hospital |
| Boston, Massachusetts, United States, 02114 |
| Center on Alcoholism, Substance Abuse and Addiction, University of New Mexico |
| Albuquerque, New Mexico, United States, 87106 |
| Treatment and Research Center, University of Pennsylvania |
| Philadelphia, Pennsylvania, United States, 19104 |
| Roger Williams Medical Center , Brown University |
| Providence, Rhode Island, United States, 02908 |
| Center for Alcohol Programs, Medical University of South Carolina |
| Charleston, South Carolina, United States, 29425 |
| Southwest Texas Addiction Research and Technology Center, University of Texas Health Science Center |
| San Antonio, Texas, United States, 78229 |
| Addictions Treatment Center, University of Washington |
| Seattle, Washington, United States, 98108 |
| University of Wisconsin-Milwaukee |
| Milwaukee, Wisconsin, United States, 53233 |