Funding for this research was provided by:
The Thuréus Foundation, Sweden (Not applicable)
Received: 31 October 2018
Accepted: 22 April 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board at Uppsala University (Dnr 2007/338 and Dnr 2013/350), and all subjects provided written informed consent.
: Not applicable.
: TC has received unconditional research grants from Nutricia, Nestlé and Fresenius-Kabi, and is giving lectures arranged by Nutricia, Nestlé, Fresenius-Kabi and Abbott. KF, BZ and LK have no competing interests to declare.
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