Paech, Daniel http://orcid.org/0000-0001-5755-6833
Klopries, Kerstin
Doll, Sara
Nawrotzki, Ralph
Schlemmer, Heinz-Peter
Giesel, Frederik L.
Kuner, Thomas
Article History
Received: 25 October 2017
Revised: 9 December 2017
Accepted: 21 December 2017
First Online: 30 January 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Dr. Daniel Paech.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Prof. Dr. Annette Kopp-Schneider (Division of Biostatistics, German Cancer Research Centre) kindly provided statistical advice for this manuscript.
: Institutional Review Board approval was obtained.
: Written informed consent was obtained from all subjects in this study.
: • prospective• randomised controlled trial• performed at one institution