Affiliation: | (1) Department of Genetics and Cell Biology, University of Limburg, P.O. Box 616, NL-6200 MD Maastricht, The Netherlands;(2) Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, NL-6200 MD Maastricht, The Netherlands;(3) Department of Clinical Chemistry, Academic Hospital Maastricht, NL-6200 MD Maastricht, The Netherlands |