Feist, Henning http://orcid.org/0000-0001-5202-4555
Hussein, Kais
Stucki-Koch, Angelika
Wohlschlaeger, Jeremias
Hager, Thomas
Blöcker, Thordis
Heim, Albert
Funding for this research was provided by:
Dräger-Stiftung. Lübeck, Germany
Article History
Received: 2 September 2019
Revised: 17 January 2020
Accepted: 30 January 2020
First Online: 5 February 2020
Compliance with ethical standards
: The study protocol conformed to the ethical guidelines of the 1975 Declaration of Helsinki.
: The authors declare that they have no conflicts of interest.