1. Health District 8 (ASL 8) Cagliari; Social-Health Division; Via Logudoro 17 Cagliari Sardinia Italy 09127
2. European Addiction Treatment Association (Europad); Policlinico Umberto I, University La Sapienza, Rome; Rome Italy
3. "Santa Chiara" University Hospital, University of Pisa, Italy; "Vincent P. Dole" Dual Diagnosis Unit, Department of Neurosciences; Via Roma, 67 Pisa Italy 56100