. 2019 Jan 23;5(1):e9544. doi: 10.2196/publichealth.9544
©Niels Dalum Hansen, Kåre Mølbak, Ingemar Johansson Cox, Christina Lioma. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 23.01.2019.
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