Pressler, A.; Knebel, U.; Esch, S.; Kölbl, D.; Esefeld, K.; Scherr, J.; Haller, B.; Schmidt-Trucksäss, A.; Krcmar, H.; Halle, M. & Leimeister, J. M. (2010), 'An internet-delivered exercise intervention for workplace health promotion in overweight sedentary employees: A randomized trial', Preventive Medicine (51), 234-239.