Johan started following the work of Jesper Vaczy Kragh, University of Copenhagen, Department of Public Health. 2012-05-15 00:58:14 -0700

Johan started following the work of Atte Oksanen, Finnish Youth Research Society, Finnish Youth Research Network. 2012-05-08 03:20:33 -0700

Johan started following the work of Jan Blomqvist, Stockholm University, Centre for Social Research on Alcohol and Drugs (SoRAD). 2012-03-27 11:21:49 -0700