Wadsten, C. http://orcid.org/0000-0003-0571-7265
Wennstig, A.-K.
Garmo, H.
Nilsson, Greger
Blomqvist, Carl
Holmberg, Lars
Fredriksson, Irma
Wärnberg, F.
Sund, M.
Article History
Received: 24 April 2018
Accepted: 26 April 2018
First Online: 5 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the regional committee of ethics in Stockholm, reference number 2013/1272-31/4 and with the 164 Helsinki Declaration and its later amendments or comparable ethical standards.
: For this type of study informed consent is not required.