Kelders, SMvan Gemert-Pijnen, JWECWerkman, ASeydel, ER2025-03-202025-03-202010https://rivm.openrepository.com/handle/10029/644883Usage and effect of a web-based intervention for the prevention of overweight. A randomized controlled trialArticleIn: eTELEMED 2010. 2nd International conference on ehealth, telemedicine, and social medicine. St. Maarten; February 2010. Washington, IEEE Computer Society, 2010;113-82025-03-20