Lindtner, Richard A.
Schmid, Rene
Nydegger, Thomas
Konschake, Marko
Schmoelz, Werner http://orcid.org/0000-0003-2962-2594
Article History
Received: 18 August 2017
Revised: 21 February 2018
Accepted: 25 February 2018
First Online: 1 March 2018
Compliance with ethical standards
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: Laboratory costs were supported by icotec ag, Altstätten, Switzerland. T. N. is employed by icotec ag, Altstätten, Switzerland. None of the remaining authors has a conflict of interest and none received payment of any sort for their contributions to this work. The funding sources had no involvement in the study design; in the collection, analysis and interpretation of data; or in the decision to submit the paper for publication.