1. Department of Conservative Dentistry and Oral Health, Riga Stradins University, LV-1007 Riga, Latvia
2. Scientific Laboratory of Molecular Genetics, Riga Stradins University, LV-1007 Riga, Latvia
3. Department of Biology and Microbiology, Riga Stradins University, LV-1007 Riga, Latvia
4. Jekabpils Regional Hospital, LV-5201 Jekabpils, Latvia
5. Clinic of Medical Genetics and Prenatal Diagnostics, Children’s Clinical University Hospital, LV-1004 Riga, Latvia