Cannabis policy in The Netherlands: Rationale and design of an experiment with a controlled legal (‘closed’) cannabis supply chain

J.A. Knottnerus^*, T. Blom, S. van Eerden, J.J.H. Mans, Dike van de Mheen, J.N.D. de Neeling, D.C.L. Scheldhout, J.C. Seidell, A.H. van Wijk, C.G.K. van Wingerde, W. van den Brink

^*Corresponding author for this work