title: Introduction to Theme 4: The virtual potential.
authors.affiliation: University of Copenhagen, Denmark; University of Malmö, Sweden.
authors.forename: Anders
authors.initials: A
authors.lastname: Nattestad
authors.forename: Rolf
authors.initials: R
authors.lastname: Attstrom
mesh_terms: D003195:Computer Communication Networks; D003194:Computer-Assisted Instruction; D004497:Education, Dental / Q000379:methods*; D020375:Education, Distance; D006801:Humans; D014584:User-Computer Interface