Reprod Biomed Online 2019 Oct 31;39(4):556-568. Epub 2019 May 31.
Competence Centre on Health Technologies Tartu, Estonia; Department of Obstetrics and Gynaecology, Institute of Clinical Medicine, University of Tartu Tartu, Estonia; Department of Biomedicine, Institute of Biomedicine and Translational Medicine, University of Tartu Tartu, Estonia; Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.