Funding for this research was provided by:
Svenska Forskningsrådet Formas (942-2015-768)
Received: 3 March 2020
Accepted: 8 September 2020
First Online: 17 September 2020
: This study was approved by the regional ethical committee in Uppsala (License C 37/16) and by the Swedish Medical Products Agency (License no. 5.1-2016-16737).
: Not applicable.
: The authors declare that they have no competing interests.