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. 2015 May 13;13:56. doi: 10.1186/s12955-015-0249-x

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© van Leeuwen; licensee BioMed Central. 2015

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 credited. 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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Response distributions ASCOT items in the Netherlands (NL) and England. Number of respondents NL = 169 (missing values between 0.6% and 10.7%); Number of respondents England = 152 (missing values between 0% and 5.9%)