Kuttah, Dina http://orcid.org/0000-0003-0478-1150
Funding for this research was provided by:
The Swedish Transport Administration (TRV 2017/56252)
Article History
Received: 17 December 2018
Accepted: 28 May 2019
First Online: 4 June 2019
Competing interests
: The author declares no competing interests.