Table 1. Overview of the three studies of process evaluation.

	Evaluation focus	Quantitative date source	Qualitative date source
Study 1	• Intervention fidelity	• Self-developed questionnaire with 5 Likert scales for the initial (5 items) and follow-up (6 items) counselling	• Audio recordings of several consultation sessions
Study 2	• Evaluation of the healthcare providers’ perspective (including barriers and facilitators)	• Interprofessional Socialization and Appreciation (ISVS) • Interprofessional Cooperation (AITCS-II) • Job Satisfaction (WCW) • Competencies • Online questionnaire for evaluating the blended learning program	• Focus groups (location-specific and cross-location) • Individual interviews
Study 3	• Experiences and perceptions of the patients	• Self-developed questionnaire for patients (initial and follow-up consultation)	• Individual interviews