title: PBL.2.0: blended learning for an interactive, problem-based pedagogy.
authors.affiliation: Faculty of Dentistry, University of Hong Kong, Prince Philip Dental Hospital, China. sbridges@hku.hk
authors.forename: Susan M
authors.initials: SM
authors.lastname: Bridges
authors.forename: Michael G
authors.initials: MG
authors.lastname: Botelho
authors.forename: Peter C S
authors.initials: PC
authors.lastname: Tsang