Gross, Thomas http://orcid.org/0000-0002-6210-3932
Amsler, Felix
Funding for this research was provided by:
Cantonal Hospital Aarau
Article History
Received: 6 February 2018
First Online: 11 June 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: The study has been approved by the regional ethics committee and has been performed in accordance with the ethical standards laid down in the Declaration of Helsinki.
: All persons gave their informed consent prior to their inclusion in the study.