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. 2019 Sep 11;20:561. doi: 10.1186/s13063-019-3639-2

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© The Author(s). 2019

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 — Patient recruitment for the feasibility study. CCF: congestive cardiac failure; EN: enteral nutrition; ICU: intensive Care Unit; L-EAA leucine-enriched essential amino acid, NGT nasogastric tube, NOK next-of-kin. No research staff --> no reserach staff for recruitment and enrolment; recent ICU admission- other hospital; re-admission - same hospital ICU