Meyer, Anna Maria
Becker, Ingrid
Siri, Giacomo
Brinkkötter, Paul Thomas
Benzing, Thomas
Pilotto, Alberto
Polidori, M. Cristina
Article History
Received: 14 November 2018
Accepted: 3 March 2019
First Online: 25 March 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethical Committee of the University Hospital of Cologne, Germany (the study is registered at the German Clinical Trials Register: DRKS00010606) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Each patient or proxy respondent signed informed consent.