Winkler, Thomas http://orcid.org/0000-0002-3097-0230
Haahr-Lillevang, Lasse
Sarpe, Cristian
Zielinski, Bastian http://orcid.org/0000-0001-5272-3540
Götte, Nadine
Senftleben, Arne http://orcid.org/0000-0003-0932-9892
Balling, Peter http://orcid.org/0000-0003-4955-770X
Baumert, Thomas
Article History
Received: 18 January 2017
Accepted: 17 August 2017
First Online: 18 September 2017
Competing interests
: The authors declare no competing financial interests.