KrzysztofKrajewski Jagiellonian University Poland In programme October 24 16:50 to 18:20 October 25 09:30 to 09:45 View hours & dates Hours & Dates Plenary session Poster session Big debate Structured session Workshop Oral presentation session Short communication session Poster guided tour Thursday, 24 October 16:50 Issues for cannabis policy 16:50 to 18:20Networking zone 4 (N4)Krzysztof Krajewski Friday, 25 October 09:30 Oral presentation Some constitutional issues regarding control of new psychoactive substances 09:30 to 09:45 Central square 3 (C3) Krzysztof Krajewski