1. The Learning Collaborative, The National Center for Electronically Mediated Learning: The PEBBLES project, http://www.pebblesproject.org
2. Starlight Starbright children’s foundation: Starbright World, http://www.starbrightworld.org
3. Battles, H., Wiener, L.: Starbright World: Effects of an electronic network on the social environment of children with life-threatening illnesses. Children’s Health Care, 47–68 (2002)
4. Jonge Kamera v.z.w.: Jonge kamera, http://www.jongekamera.be
5. Lombaert, E., Valcke, M.: Education for long-term sick children: Towards an integrated it-solution. In: Computer Assisted Learning conference (CAL ’07) (to be published, 2007)