Mittag, Oskar
Kotkas, Toomas
Reese, Christina
Kampling, Hanna
Groskreutz, Henning
de Boer, Wouter
Welti, Felix
Funding for this research was provided by:
Hans Böckler Stiftung (2014-694-4)
Article History
Received: 16 October 2017
Revised: 26 May 2018
Accepted: 6 June 2018
First Online: 20 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This article does not contain any study with human participants or animals performed by any of the authors.