Gustafsson, Ingemar
Faxén, Tove
Vicente, André
Bergström, Anders
Ivarsen, Anders
Hjortdal, Jesper Østergaard
Funding for this research was provided by:
Stiftelsen för Synskadade i f.d. Malmöhus län
Lund University
Article History
Received: 31 May 2021
Accepted: 26 July 2021
First Online: 6 August 2021
Competing interests
: The authors declare no competing interests.