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. 2020 May 18;10(5):e033370. doi: 10.1136/bmjopen-2019-033370

Table 2.

Extending the typology with additional roles identified in the literature23

Group 1 roles
Legitimacy based on knowledge, experience and skill
Group 2 roles
Legitimacy based on citizenship
Group 3 roles
Legitimacy based on being an outsider
Motivator Bridger
Passive presence