FIGURE 1.

Modification of barriers and facilitators instrument into our model. Subcategories added to the model are marked with an asterisk. Several characteristics from the model of Peters et al. [22] were not used. Characteristics of patient not used: age, gender, marital status, health status, new/known patient, number of patient contacts, previous experiences, responsibility. Characteristics of healthcare professional not used: age, experience, gender, involvement, knowledge of medical background, lack of time, quality of doctor–patient relationship, quality of screening. Characteristics of the context not used: attention from the media, information and administration systems, laws/regulations, opening hours of practice, practice building, practice population, size of practice, type of practice/healthcare organization. Characteristics of innovation not used: applicability, attractiveness, clear definition, compatibility, complexity, cost–effectiveness, didactive benefit, discomfort for patient, image, observability, specificity/flexibility, time investment, tryability, visible results.