Krohn, Markus http://orcid.org/0000-0002-9354-1150
Fengler, Josefine
Mickley, Thomas
Flessa, Steffen
Funding for this research was provided by:
Aesculap AG (please see cover letter)
Article History
Received: 7 September 2018
Accepted: 25 December 2018
First Online: 17 January 2019
Competing interests
: This study was partly financed by Aesculap AG. In particular, the costs of conducting the time-study were refunded to the respective university institute. The authors confirm that the results of this analysis were not influenced at all by this sponsoring.
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