Höllerer, Christine
Göen, Thomas
Eckert, Elisabeth
Funding for this research was provided by:
Chemie Wirtschaftsförderungsgesellschaft mbH
Article History
Received: 1 February 2018
Revised: 21 March 2018
Accepted: 13 April 2018
First Online: 24 April 2018
Compliance with ethical standards
: All study participants gave their written informed consent to their study participation. All studies have been approved by the ethics committee of the medical faculty of the Friedrich-Alexander-University Erlangen-Nuremberg and have been performed in accordance with the ethical standards.
: The authors declare no conflict of interest.