TY - JOUR T1 - Awareness of users and motivational factors for using new psychoactive substances in Belgium JF - Harm Reduction Journal Y1 - 2020 A1 - Simons,K. A1 - Michael Canfyn A1 - Anton Van Dijck A1 - Tina Van Havere A1 - Eric Deconinck A1 - Peter Blanckaert A1 - L. Gremeaux VL - 17 CP - 1 M3 - 10.1186/s12954-020-00393-0 ER -