Funding for this research was provided by:
The Medical Society of Finland
The Perkléns Foundation
The Maud Kuistila Foundation
Article History
Received: 9 May 2018
Accepted: 5 September 2018
First Online: 7 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. On behalf of all authors, the corresponding author states that there is no conflict of interest.
: The trial was approved by the institutional review board of Helsinki University Central Hospital and the ethical committee of Helsinki University Central Hospital.