1. Laboratório de Genética Animal e Humana Departamento de Genética Universidade Federal de Minas Gerais (UFMG) Belo Horizonte Brazil
2. Laboratory of Neuroimaging National Institute on Alcohol Abuse and Alcoholism National Institutes of Health Bethesda USA
3. Center for Alcohol Research in Epigenetics Department of Psychiatry University of Illinois at Chicago Chicago IL USA
4. Laboratório de Genética Humana e Médica Departamento de Genética Universidade Federal de Minas Gerais (UFMG) Belo Horizonte Brazil
5. University of Guelph Department of Animal Biosciences Centre for Genetic Improvement of Livestock Guelph Ontario Canada
6. Laboratory on the Neurobiology of Compulsive Behavior National Institute on Alcohol Abuse and Alcoholism National Institutes of Health Bethesda MD USA
7. National Institute on Drug Abuse Bethesda, National Institute of Health Bethesda MD USA