Narasimha, V.L., Department of Psychiatry, All India Institute of Medical Sciences (AIIMS), Jharkhand, Deoghar, India; Butner, J., Addiction Medicine Specialist, Yale University School of Medicine, New Haven, CT, United States; Hanafi, E., Department of Psychiatry, Addiction Psychiatry Division, Faculty of Medicine, Universitas Indonesia, Dr Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Farokhnia, M., Staff Scientist, Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States; Bhad, R., National Drug Dependence Treatment Centre, Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India; Chalabianloo, F., Senior Consultant in Addiction Medicine and PhD Fellow, Department of Addiction Medicine, Haukeland University Hospital, Bergen, Norway; Kouimtsidis, C., Honorary Senior Lecturer in Addictions, Department of Medicine, Division of Brain Sciences, Imperial College London, United Kingdom; Baldacchino, A., Division of Population and Behavior Sciences, Medical School, University of St Andrews, United Kingdom; Arunogiri, S., Monash Addiction Research Centre and Eastern Health Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia