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Curioni-Fontecedro A, Nuber N, Mihic-Probst D, Seifert B, Soldini D, Dummer R, Knuth A, van den Broek M, Moch H.Curioni-Fontecedro A, et al.PLoS One. 2011;6(6):e21418. doi: 10.1371/journal.pone.0021418. Epub 2011 Jun 27.PLoS One. 2011.PMID: 21738656Free PMC article.