1. Laboratory for Transplantation and Regenerative Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Obstetrics and Gynecology, Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
3. Department of Surgery, Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4. Stockholm IVF-EUGIN, Stockholm, Sweden