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. 2017 Dec 22;19(12):e408. doi: 10.2196/jmir.7990

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©Leo Nicolai, Moritz Schmidbauer, Maximilian Gradel, Sabine Ferch, Sofía Antón, Boj Hoppe, Tanja Pander, Philip von der Borch, Severin Pinilla, Martin Fischer, Konstantinos Dimitriadis. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 22.12.2017.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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(a) Qualitative coding scheme for preclinical year 1 (PCY1) and preclinical year 2 (PCY2) groups. Categories and subordinate categories were identified. The shaded boxes indicate categories used for quantitative coding. (b) Number of total posts (primary posts and comments) in PCY1 and PCY2, grouped into the four dominant categories.