1. Department of Gynecology and Reproduction, Clinic “IVF-Riga”, Riga, Latvia;
2. Genetic laboratory, Clinic “IVF-Riga”, Riga, Latvia;
3. Center of Medical Genetics and Prenatal Diagnostics, Children's Clinical University Hospital, Riga, Latvia;
4. Department of Andrology, Clinic “IVF-Riga”, Riga, Latvia;
5. Riga Stradins University, Latvia