Wiedmer, Christoph
Buettner, Andrea http://orcid.org/0000-0002-6205-5125
Funding for this research was provided by:
Bavarian State Ministry of Environment and Consumer Safety (none)
Article History
Received: 11 November 2017
Revised: 23 January 2018
Accepted: 30 January 2018
First Online: 20 February 2018
Compliance with ethical standards
: The study was conducted in agreement with the Declaration of Helsinki. The study (registration number 180_16B) was approved by the Ethical Committee of the Medical Faculty, Friedrich-Alexander Universität Erlangen-Nürnberg. Informed consent was obtained from all subjects participating in the study.
: The authors declare that they have no competing interests.