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. 2016 Feb 15;4(1):e5. doi: 10.2196/medinform.4839

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©Matthew Schmitz, Linda Forst. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 15.02.2016.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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The US National Institute for Occupational Safety and Health (NIOSH) Industry & Occupation Computerized Coding System (NIOCCS) Coding Engine [12]. I&O: industry and occupation.