1 Human Molecular Genetics Group (K.R., K.T., J.M., M.L.) and Department of Cell Biology (S.V.), Institute of Molecular and Cell Biology, Institute of Molecular and Cell Biology, University of Tartu, Tartu 51010, Estonia; Department of Physiology (S.K.), University of Tartu, Tartu 50090, Estonia; Institute of Mathematical Statistics (M.M.), University of Tartu, Tartu 50409, Estonia; and Department of Obstetrics and Gynecology (K.R.) and Department of Pathology (M.S.), Tartu University Hospital, Tartu 51014, Estonia.