Easier said than done: Overcoming challenges in the economic evaluation of Internet-based lifestyle interventions Authors Eline S. Smit Amsterdam School of Communication Research (ASCoR), Department of Communication Science, University of Amsterdam Hein de Vries Department of Health Promotion, CAPHRI School for Public Health and Primary Care, Maastricht University Edwin J. M. Oberjé Amsterdam School of Communication Research (ASCoR), Department of Communication Science, University of Amsterdam Silvia M. A. A. Evers Department of Health Services Research, CAPHRI School for Public Health and Primary Care, Maastricht University & the Trimbos Institute Downloads PDF Issue Vol. 17 No. 1 (2015) Section Original Articles