Jeroen Lammers*, Ferry Goossens, Suzanne Lokman, Karin Monshouwer, Lex Lemmers, Patricia Conrod, Reinout Wiers, Rutger Engels and Marloes Kleinjan
* Corresponding author: Jeroen Lammers jlammers@trimbos.nl
BMC Public Health 2011, 11:126 doi:10.1186/1471-2458-11-126