Unfortunately, the authorship of this article was printed incorrectly. “W.T. McNicholas and M.R. Bonsignore on behalf of the Management Committee of EU COST ACTION B26” should have appeared as “W.T. McNicholas, M.R. Bonsigore and the Management Committee of EU COST ACTION B26”. In addition, the heading of “Acknowledgements” should not have been included on page 167 of the manuscript.
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