Funding for this research was provided by:
Queen Silvia Children’s Hospital Research Foundation
The Capio Foundation
ALF Grants Region Östergötland (ALFGBG-716831)
The Samariten Foundation
The H.K.H Princess Lovisa’s Foundation
The Health & Medical Care Committee of the Regional Executive Board Region Västra Götaland
Received: 30 April 2019
Accepted: 3 September 2019
First Online: 17 September 2019
Compliance with ethical standards
: The authors declare no conflict of interest for this investigation and take full responsibility for the manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the local research ethics committee at Gothenburg University (720-11, date 2011-12-20) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.