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. 2020 Nov 11;4(1):e000899. doi: 10.1136/bmjpo-2020-000899

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Visitation policies over time during study period. (A) Restriction by visitor number and restricted versus unrestricted duration. (B) Breakdown of visitation policy by length of restricted duration.