Zhang, Qianqian http://orcid.org/0000-0002-4423-1236
Difford, Gareth http://orcid.org/0000-0002-6792-8722
Sahana, Goutam http://orcid.org/0000-0001-7608-7577
Løvendahl, Peter http://orcid.org/0000-0002-9852-2944
Lassen, Jan
Lund, Mogens Sandø
Guldbrandtsen, Bernt http://orcid.org/0000-0003-1764-135X
Janss, Luc
Article History
Received: 7 May 2019
Revised: 25 March 2020
Accepted: 15 April 2020
First Online: 4 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.