Stowe, M.J., Department of Family Medicine, School of Medicine, Faculty of Health Sciences, University of Pretoria, South Africa; Calvey, T., School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, South Africa; Scheibein, F., School of Health Sciences, Waterford Institute of Technology, Ireland; Arya, S., State Drug Dependence Treatment centre, Institute of Mental Health, Pt BDS University of health Sciences, Rohtak, India; Saad, N.A., State Drug Dependence Treatment centre, Ain Shams University, Egypt; Shirasaka, T., Department of Psychiatry, Teine Keijinkai Hospital, Japan; Dannatt, L., Department of Psychiatry and Mental Health, Faculty of Health Sciences, University of Cape Town, South Africa; Ghosh, A., Drug De-addiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh, India; Yee, A., Department of Psychological Medicine, University Malaya Centre of Addiction Sciences (UMCAS), Faculty of Medicine, University of Malaya, Malaysia; Ratta-Apha, W., Department of Psychiatry, Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand; Vadivel, R., Department of Mental Health and Addictions, Waikato District Health Board (WDHB), Hamilton, New Zealand; Siste, K., Department of Psychiatry, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia; Shah, B., Patan Academy of Health Sciences, Nepal; Ramalho, R., Department of Social and Community Health, School of Population Health, University of Auckland, Auckland, New Zealand; Narasimha, V.L., Centre for Addiction Medicine, Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Delic, M., Center for Treatment of Drug Addiction, University Psychiatric Clinic Ljubljana, Slovenia; Peyron, E., AddiPsy, Lyon, France; Gumikiriza- Onoria, J.L., Department of Psychiatry, School of Medicine, Makerere University, Uganda; Pant, S.B., Department of Psychiatry and Mental Health, Tribhuvan University Teaching hospital, Nepal; Boujraf, S., Faculty of Medicine and Pharmacy, Sidi Mohamed ben Abdellah University of Fez, Morocco; Grandinetti, P., ASL 4 Teramo, Department of Territorial Services, Services for Addictions (SerD), Italy; Morgan, N., Faculty of Health Sciences, University of the Witwatersrand, South Africa