Petersenn, Stephan
Koch, Christian A.
Article History
First Online: 26 February 2018
Compliance with ethical standards
:
: Prof. Stephan Petersenn declares that he has received fees for serving as a consultant on advisory boards for Ipsen and Novartis, and for presenting at workshops organized by Ipsen, Novartis, and Pfizer. He has no conflict of interest related to this article.Prof. Christian A. Koch declares that he has received fees for serving as a consultant on the Advisory Board of Novartis. He has no conflict of interest related to this article.