Slootmaker, SMChinapaw, MJMSeidell, JCvan Mechelen, WSchuit, AJ2025-03-202025-03-2020102038084710.1016/j.ypmed.2010.03.015https://rivm.openrepository.com/handle/10029/644136Accelerometers and Internet for physical activity promotion in youth?Feasibility and effectiveness of a minimal intervention [ISRCTN93896459]ArticlePrev Med 2010; 51(1):31-62025-03-20