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. 2014 Aug 18;9(8):e104226. doi: 10.1371/journal.pone.0104226

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© 2014 van Hooff et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

At each stage of the Delphi study the expert panel consensus for presented indicators is shown. To reach consensus the level of agreement was set at ≥70%. Indicators reaching full consensus were included in the Nijmegen Decision Tool.