JulianVicente EMCDDA In programme October 23 16:50 to 18:20 October 23 16:50 to 18:20 View hours & dates Hours & Dates Plenary session Poster session Big debate Structured session Workshop Oral presentation session Short communication session Poster guided tour Wednesday, 23 October 16:50 Oral presentation Prevalence and patterns of NPS use in general and school European populations 16:50 to 18:20 Central square 3 (C3) Julian Vicente Oral presentation NPS use in self-selected respondents of the population (EU web-survey) 16:50 to 18:20 Central square 3 (C3) Julian Vicente