BrĂ¼ning, Jan
Hildebrandt, Thomas
Heppt, Werner
Schmidt, Nora
Lamecker, Hans
Szengel, Angelika
Amiridze, Natalja
Ramm, Heiko
Bindernagel, Matthias
Zachow, Stefan
Goubergrits, Leonid
Article History
Received: 4 September 2019
Accepted: 17 February 2020
First Online: 28 February 2020
Competing interests
: The authors declare no competing interests.