**Author details**

Peter Ahrenholz1 , Roland E. Winkler1\* and Diego Zendeh-Zartochti2

\*Address all correspondence to: roland.winkler@praxisverbund-rostock.de

1 BioArtProducts GmbH Rostock, Rostock, Germany

2 Praxisverbund Dialyse und Apherese Rostock, Rostock, Germany
