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. 2016 Mar 7;5(1):e41. doi: 10.2196/resprot.5155

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©Gang Luo, Bryan L. Stone, Michael D. Johnson, Flory L. Nkoy. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 07.03.2016.

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 Research Protocols, is properly cited. The complete bibliographic information, a link to the original publication on http://www.researchprotocols.org, as well as this copyright and license information must be included.

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The definition framework of appropriate admission versus appropriate ED discharge that was provided in our previous paper [39]. The details denoted by ""? will be determined by direct evidence in this current study.