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. 2017 Nov 20;4(1):1399033. doi: 10.1080/20018525.2017.1399033

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© 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Flow diagram. All patients registered to undergo a CLE during the study period were considered for inclusion, n = 154 patients. Screen failures were due to negative EILO findings,[2] self-reported activity (daily workout > 3 hours or daily cycling commute longer than 15 km),[4] and high VO₂max.[5] Thirteen patients were eligible for inclusion of whom two declined due to unrelated reasons. Eleven participants underwent all three tests, i.e. pre-test on ergometer bicycle test, continuous laryngoscopy during exercise (CLE) on ergometer bicycle and CLE on treadmill.