Helgertz, Jonas http://orcid.org/0000-0002-2200-9095
Nilsson, Anton
Funding for this research was provided by:
Vetenskapsrådet (2006-79)
Jan Wallanders och Tom Hedelius Stiftelse samt Tore Browaldhs Stiftelse
Riksbankens Jubileumsfond
Article History
Received: 11 October 2016
Accepted: 10 May 2018
First Online: 29 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.