Tan, Qihua http://orcid.org/0000-0003-3194-0030
Li, Shuxia
Frost, Morten
Nygaard, Marianne
Soerensen, Mette
Larsen, Martin
Christensen, Kaare
Christiansen, Lene
Funding for this research was provided by:
Strategiske Forskningsråd (DFF-6110-00114)
Article History
Received: 28 February 2018
Accepted: 11 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: Informed consent was obtained for all participants; the study was approved by The Regional Scientific Ethical Committees for Southern Denmark (S-20090033) and conducted in accordance with the Helsinki II declaration.
: Informed written consent was obtained from all the participants. Additionally, the manuscript does not contain any individual person’s data in any form.
: The authors declare that they have no competing interests in this work.
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