Criterion	Inclusion criteria	Exclusion criteria
Research	Goal or research question described	Neither goal nor research question described
	Study design described and appropriate	Review papers
	Data collection and analysis methods were described	System description without data evaluation
	Results were described and discussed
Focus on technology	Combination of real and virtual environments	Used augmented or mixed reality in name but investigated only virtual reality
	Interactive in real-time
	Real or perceived registration in 2D or 3D
Content	Healthcare education	Education without medicine or only surgical focus
	Medical education	Medicine without education or only treatment or rehabilitation focus
		Patient education related to treatment
		Dentistry, veterinary medicine or other fields of education

Int J Med Educ. 2020; 11:1-18; doi: 10.5116/ijme.5e01.eb1a