Hans Bosma1, Bart Golsteyn2, Danielle Groffen1, Trudie Schils2, Tobias Stalder3, Elena Syurina1, Lex Borghans2and Frans Feron 1
1Maastricht University, Department of Social Medicine, CAPHRI, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
2 Maastricht University, Department of Economics, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
3 Technische Universität Dresden, Department of Psychology, Zellescher Weg 19, 01069 Dresden, Germany.
*Corresp. E-mail: hans.bosma@maastrichtuniversity.nl
