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This is a Creative Commons licence that allows the user to re-use the content for non-commercial purposes and with proper attribution. Any use of devices, symbols, designs, logotypes, or other distinctive signs of identification protected by the Flags, Emblems, and Names Protection Act 1981 (external link) must not infringe any provision of that Act. Health New Zealand may remove access to the content at any time, and contact users to let them know if the content is out of date.