Über den Autor Homero Indalecio (Hrsg.) Carrera Machado
Homero Indalecio Carrera Machado, Associate Professor, Department of Psychiatry, Faculty of Medicine, University of Santiago de Compostela. Specialist Physician Area, Drug Addiction Care Unit (ACLAD), A Coruña. Spain.Luis Isidoro Alfonzo Bello, Former Regional Advisor on Substance Use for PAHO/WHO and CICAD/OAS, Washington DC, USA.Adelino Fernando Vale Ferreira, Manager, Drug Addiction Prevention Commission of Porto, Portugal.