Albrecht, H.
Raithel, M.
Braun, A.
Nagel, A.
Stegmaier, A.
Utpatel, K.
Schäfer, C.
Article History
Received: 25 November 2018
Accepted: 16 July 2019
First Online: 31 July 2019
Compliance with ethical standards
:
: Dr. H. Albrecht, Prof. Dr. M. Raithel, Mr. A. Braun, Dr. A. Nagel, Dr. A. Stegmaier, Dr. K. Utpatel and Prof. Dr. C. Schäfer have no conflicts of interest or financial ties to disclose.
: The study was conducted according to the declaration of Helsinki.
: All participants provided informed consent prior to their participation.