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Clausen J, Böhm A, Straßl I, Stiefel O, Buxhofer-Ausch V, Machherndl-Spandl S, König J, Schmidt S, Steitzer H, Danzer M, Kasparu H, Weltermann A, Nachbaur D.Clausen J, et al.Biomedicines. 2017 Mar 28;5(2):13. doi: 10.3390/biomedicines5020013.Biomedicines. 2017.PMID: 28536356Free PMC article.