1. Psychopharmacology Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Herts (UK)
2. Mental Health Department, Addiction Observatory (Osservatorio sulle dipendenze)- NonProfit Association - Rome, Rome, Italy
3. LVR-University Hospital, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Duisburg-Essen, Essen, Germany
4. Pharmacy, Swansea University Medical School, Faculty of Medicine, Health and Life Science, Swansea University, Wales, UK