Klocker, Johann
Klocker-Kaiser, Ursula
Pipam, Wolfgang
Geissler, Dietmar
Article History
Received: 13 July 2017
Accepted: 25 January 2018
First Online: 8 May 2018
Compliance with ethical guidelines
:
: J. Klocker, U. Klocker-Kaiser, W. Pipam, and D. Geissler declare that they have no competing interests.
: All patients agreed to take part in this study, filling out the questionnaires voluntarily. The study followed the principles of noninterventional (observational) studies and thus did not require assessment by an Ethic Committee. It was considered part of general quality management without any impact on the treatment of the patients.