Prof. Dr. Lisette van Gemert-Pijnen is Professor in Persuasive Health Technology at the University of Twente, The Netherlands and Adjunct Professor at the University of Waterloo, Canada. She founded the Centre for eHealth and Wellbeing Research (www.cewr.nl). Her research focuses on the development and the implementation of persuasive eCoaching systems to increase trust, engagement and adherence to eHealth technologies, and to foster implementation of these technologies in practice.Dr. Saskia M. Kelders is Assistant Professor at the Centre for eHealth of the University of Twente, The Netherlands and Wellbeing Research and Extraordinary Professor at the Optentia research focus area of the North-West University, South Africa.Hanneke Kip is a PhD student at the Centre for eHealth and Wellbeing Research of the University of Twente, The Netherlands, with a background in psychology and an interest in behaviour change and improvement of mental healthcare via technology. Her current research focuses on the development, implementation and evaluation of eHealth technologies in forensic mental healthcare.Prof. Dr. Robbert Sanderman is Professor in Health Psychology at both the University of Groningen and at the University of Twente, The Netherlands. His research focuses on psychological and social adaptation to chronic life-threatening illness and on the use of psychological interventions, including eHealth tools.

• PrefaceChapter 1 – Introducing eHealth Chapter 2 – Psychological Principles and Health Behaviour Change: Applications to eHealthChapter 3 - Opportunities of technology to promote health and wellbeingChapter 4 – Healthcare as a Complex Adaptive SystemChapter 5 - Mental Health and eHealth TechnologyChapter 6 – Public Health, Behavioural Medicine, and eHealth TechnologyChapter 7 - Holistic Development of eHealth TechnologyChapter 8 – The contextual inquiryChapter 9 – Value proposition design and business modelling Chapter 10 – Human Centred DesignChapter 11 – Persuasive health technologyChapter 12 - The complexity of eHealth Implementation: A theoretical and practical perspectiveChapter 13 – User Engagement Chapter 14 – Evaluating eHealth AcknowledgementsGlossary

Prof. Dr. Lisette van Gemert-Pijnen is Professor in Persuasive Health Technology at the University of Twente, The Netherlands and Adjunct Professor at the University of Waterloo, Canada. She founded the Centre for eHealth and Wellbeing Research (www.cewr.nl). Her research focuses on the development and the implementation of persuasive eCoaching systems to increase trust, engagement and adherence to eHealth technologies, and to foster implementation of these technologies in practice.Dr. Saskia M. Kelders is Assistant Professor at the Centre for eHealth of the University of Twente, The Netherlands and Wellbeing Research and Extraordinary Professor at the Optentia research focus area of the North-West University, South Africa.Hanneke Kip is a PhD student at the Centre for eHealth and Wellbeing Research of the University of Twente, The Netherlands, with a background in psychology and an interest in behaviour change and improvement of mental healthcare via technology. Her current research focuses on the development, implementation and evaluation of eHealth technologies in forensic mental healthcare.Prof. Dr. Robbert Sanderman is Professor in Health Psychology at both the University of Groningen and at the University of Twente, The Netherlands. His research focuses on psychological and social adaptation to chronic life-threatening illness and on the use of psychological interventions, including eHealth tools.

• PrefaceChapter 1 – Introducing eHealth Chapter 2 – Psychological Principles and Health Behaviour Change: Applications to eHealthChapter 3 - Opportunities of technology to promote health and wellbeingChapter 4 – Healthcare as a Complex Adaptive SystemChapter 5 - Mental Health and eHealth TechnologyChapter 6 – Public Health, Behavioural Medicine, and eHealth TechnologyChapter 7 - Holistic Development of eHealth TechnologyChapter 8 – The contextual inquiryChapter 9 – Value proposition design and business modelling Chapter 10 – Human Centred DesignChapter 11 – Persuasive health technologyChapter 12 - The complexity of eHealth Implementation: A theoretical and practical perspectiveChapter 13 – User Engagement Chapter 14 – Evaluating eHealth AcknowledgementsGlossary

Prof. Dr. Lisette van Gemert-Pijnen is Professor in Persuasive Health Technology at the University of Twente, The Netherlands and Adjunct Professor at the University of Waterloo, Canada. She founded the Centre for eHealth and Wellbeing Research (www.cewr.nl). Her research focuses on the development and the implementation of persuasive eCoaching systems to increase trust, engagement and adherence to eHealth technologies, and to foster implementation of these technologies in practice.Dr. Saskia M. Kelders is Assistant Professor at the Centre for eHealth of the University of Twente, The Netherlands and Wellbeing Research and Extraordinary Professor at the Optentia research focus area of the North-West University, South Africa.Hanneke Kip is a PhD student at the Centre for eHealth and Wellbeing Research of the University of Twente, The Netherlands, with a background in psychology and an interest in behaviour change and improvement of mental healthcare via technology. Her current research focuses on the development, implementation and evaluation of eHealth technologies in forensic mental healthcare.Prof. Dr. Robbert Sanderman is Professor in Health Psychology at both the University of Groningen and at the University of Twente, The Netherlands. His research focuses on psychological and social adaptation to chronic life-threatening illness and on the use of psychological interventions, including eHealth tools.

• PrefaceChapter 1 – Introducing eHealth Chapter 2 – Psychological Principles and Health Behaviour Change: Applications to eHealthChapter 3 - Opportunities of technology to promote health and wellbeingChapter 4 – Healthcare as a Complex Adaptive SystemChapter 5 - Mental Health and eHealth TechnologyChapter 6 – Public Health, Behavioural Medicine, and eHealth TechnologyChapter 7 - Holistic Development of eHealth TechnologyChapter 8 – The contextual inquiryChapter 9 – Value proposition design and business modelling Chapter 10 – Human Centred DesignChapter 11 – Persuasive health technologyChapter 12 - The complexity of eHealth Implementation: A theoretical and practical perspectiveChapter 13 – User Engagement Chapter 14 – Evaluating eHealth AcknowledgementsGlossary