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. 2018 Mar 2;6:56. doi: 10.3389/fpubh.2018.00056
Tool types (types can be >1) (N) Tools
Self-assessment 24
External-assessment 10
Questionnaire 15
Matrix/grid 6
Guideline 1
Decision tree 1
Tool formats
Paper-based 26
Web-based 2
Electronic spreadsheets 2