SusanWeiss National Institute on Drug Abuse (NIDA), National Institutes of Health (NIH) United States of America In programme November 23 16:50 to 18:20 View hours & dates Hours & Dates Wednesday, 23 November 16:50 Oral presentation 2. Paving the Way for Improved Data Collection on Cannabis Use 16:50 to 18:20 Main stage Susan Weiss