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. Author manuscript; available in PMC: 2018 Jan 8.
Published in final edited form as: Vaccine. 2017 May 27;36(3):347–354. doi: 10.1016/j.vaccine.2017.05.012

Figure 1. Geographical distribution of participating hospitals in the WHO regions.

Figure 1

Disclaimer: Lines on the map represent approximate border lines for which there may not yet be full agreement.