Table 1.

In- and exclusion criteria.

Inclusion criteria	Exclusion criteria
Development studies [entailing both the design phase (i.e. the functional creation of the health technology)] and implementation studies (i.e. activities to realize the introduction, adoption, dissemination and long-term use of a product in its intended context), including formative evaluations (i.e. activities throughout the entire development process that provide ongoing information on how to improve the development process, outcomes of activities and eHealth technology) (31)	Studies published outside Europe (i.e., studies of which the first author had a non-European affiliation, or the study was conducted in a non-European country)
Legal, ethical, financial, and technological aspects of implementation (one, or more of the aspects)	User expectations, perceptions, or opinions prior to usage of technology (i.e., concerns from users on guaranteeing privacy/security before they have actually experienced and used the technology)
eHealth technologies that facilitate health or treatment related data exchange between users and/or systems	Evaluation studies (i.e., showing only clinical outcomes, such as effectiveness studies, without reporting on the implementation)
	Wrong setting (i.e., not in a healthcare setting)
	Published ≥2018
	Unavailable in English
	Full-text not available
	(Poster) abstracts (incl. brief reports)
	Non-primary data (e.g., systematic reviews)