Funding for this research was provided by:
Stiftelsen för Strategisk Forskning (SBE13-0086)
Text and Data Mining valid from 2019-01-30
Received: 19 September 2018
Accepted: 3 January 2019
First Online: 30 January 2019
Ethics approval and consent to participate
: The parts of the project that included participants were carried out in accordance with the declaration of Helsinki and ethical approval was received from the Regional Ethics Review Board in Gothenburg (507–15). All participants provided written informed consent prior to their participation in the project.
: Not applicable.
: Author FO and JW are employees of RISE Acreo, which is a Research Institute owned by the Swedish government collaborating with Swedish industry and academia. Author BH is an employee of Swerea IVF, which is a Research Institute partly owned by Swedish state and partly by Swedish industry collaborating with academia. MAM, FB, NH, DJ, LS and KM declare that they have no competing interests.
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