Krämer, Jonas
Schreyögg, Jonas http://orcid.org/0000-0001-8030-2161
Article History
Received: 28 February 2018
Accepted: 24 January 2019
First Online: 9 February 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: This study uses secondary data and no ethical approval was required.