1. Alcohol Research Group, Emeryville, CA, USA
2. Pan American Health Organization (PAHO), Washington, DC, USA
3. National Institute on Alcohol Abuse and Alcoholism, Washington, DC, USA
4. National Institute of Psychiatry, Mexico City, Mexico
5. Ministry of Health, Guyana
6. National Clinical Research Center on Mental Disorders & Mental Health Institute, Second Xiangya Hospital, Central South University, Changsha, Hunan, China