Joana Corrêa de Magalhães Narvaez, Professor of Universidade Federal de Ciências da Saúde (UFCSPA). Psychologist expert in Clinical Psychology, PHD in Doctor degree in Medical Science emphasis in Psychiatry by UFRGS. Professor of Professional Master in Prevention and assistance to alcohol and other drugs of Hospital de Clínicas de Porto Alegre. Reviewer of journals of chemical addictions and clinical psychology.