Sjöstrand, Johan
Popović, Zoran http://orcid.org/0000-0002-5616-9847
Funding for this research was provided by:
De Blindas Vänner i Göteborg (79/15), the Royal Society of Arts and Sciences in Gothenburg
Article History
Received: 26 March 2019
Revised: 1 August 2019
Accepted: 22 September 2019
First Online: 23 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.