Table 2 Draft search strategy

Databases: Ovid MEDLINE(R) Epub Ahdead of Print, In-Process & Other Non-Indexed Citations, Ovid MEDLINE(R) Daily and Ovid MEDLINE(R) 1946 to present (Feb 22, 2017)

The core search around the concepts of HPV and vaccination is as follows:

1. exp. Papillomavirus Infections/

2. exp. Vaccination/

3. (hpv or human papilloma* or vaccin* or immuniz*or immunis*).kw,tw.

4. 1 or 2 or 3

To identify studies involving Canadian indigenous populations, we applied a filter developed by health librarians at the University of Alberta [109] to identify Canadian indigenous populations to the above search.

We also ran this search against subject headings and keywords to identify studies related to selected global indigenous populations, as follows:

Databases: Ovid MEDLINE(R) Epub Ahead of Print, In-Process & Other Non-Indexed Citations, Ovid MEDLINE(R) Daily and Ovid MEDLINE(R) 1946 to present (Feb 22, 2017)

1. exp. Papillomavirus Infections/

2. exp. Vaccination/

3. (hpv or human papilloma* or vaccin* or immuniz* or immunis*).kf,tw.

4. 1 or 2 or 3

5. exp. american native continental ancestry group/ or exp. oceanic ancestry group/

6. exp. Health Services, Indigenous/

7. exp. United States Indian Health Service/

8. (aborigin* or Alaska* Native* or American Indian* or Amerindian* or Eskimo* or community-based participatory or indigenous or Inuit* or Maori or Métis or Native American* or Native Hawaiian* or native people* or tribe* or tribal or Pacific Islander* or Torres Strait Islander*).kf,tw.

9. 5 or 6 or 7 or 8

10. 4 and 9