Klingelhöfer, Doris http://orcid.org/0000-0003-0716-9872
Zhu, Yun
Braun, Markus
Brüggmann, Dörthe
Schöffel, Norman
Groneberg, David A.
Article History
Received: 15 April 2019
Accepted: 30 April 2019
First Online: 10 May 2019
Availability of data and materials
: The analyses bibliometric data is owned by the Web of Science database of Clarivate Analytics. Any researcher with access to the Web of Science database can obtain the data using the methods described in the paper.
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.