Text and Data Mining valid from 2019-01-14
Received: 23 February 2018
Accepted: 1 January 2019
First Online: 14 January 2019
Compliance with ethical standards
: Theresia Weber has received a speaker honorarium from Sanofi-Aventis, Germany.
: All procedures involving human participants were performed in accordance with ethical standards of the institutional research committee and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.This article does not depict any studies involving animals that were performed by any of the authors.