Hamed, Azza http://orcid.org/0000-0002-0525-7281
Bohm, Sebastian http://orcid.org/0000-0002-5720-3672
Mersmann, Falk http://orcid.org/0000-0001-7180-7109
Arampatzis, Adamantios http://orcid.org/0000-0002-4985-0335
Article History
Received: 16 May 2018
Accepted: 9 November 2018
First Online: 13 December 2018
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: The authors, Azza Hamed, Sebastian Bohm, Falk Mersmann, and Adamantios Arampatzis, declare that they have no competing interests.
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