Break the Habit! Designing an e-Therapy Intervention Using a Virtual Coach in Aid of Smoking Cessation - Jorne Grolleman; Betsy van Dijk; Anton Nijholt; Andrée van Emst (Persuasive Technology, First International Conference on Persuasive Technology for Human Well-Being, PERSUASIVE 2006, Eindhoven, The Netherlands, May 18-19, 2006, Proceedings, 2006)