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. 2017 Aug 1;17:283. doi: 10.1186/s12888-017-1441-9

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Flow of study participants. [registered for IC: number of patients that were registered for IC during recruiting phase; contacted directly: number of patients that were contacted and informed by study staff; re-allocated to IC/TAU: number of patients that re-allocated to other study group during follow-up; completed follow-up: number of patients that completed follow-up (regardless of re-allocation); skipped follow-up: number of patients that skipped follow-up, but that continued later on; dropout: number of patients that discontinued the study]