Hammer, Alexander
Steiner, Anahi
Ranaie, Gholamreza
Yakubov, Eduard
Erbguth, Frank
Hammer, Christian M.
Killer-Oberpfalzer, Monika http://orcid.org/0000-0001-6329-8674
Steiner, Hans
Janssen, Hendrik
Article History
Received: 19 April 2018
Accepted: 24 July 2018
First Online: 17 August 2018
Competing Interests
: Monika Killer-Oberpfalzer is holding a reseach grant from Microvention Terumo unrelated to this study. Alexander Hammer, Anahi Steiner, Gholamreza Ranaie, Eduard Yakubov, Frank Erbguth, Christian M. Hammer, Hans-Herbert Steiner and Hendrik Janssen declare to have no competing interests.