1. Department of Endocrinology; Université catholique de Louvain; Cliniques Universitaires Saint-Luc; Brussels Belgium
2. Department of Clinical Biology; Université catholique de Louvain; Cliniques Universitaires Saint-Luc; Brussels Belgium
3. Institute of Molecular and Experimental Medicine; University Hospital of Wales; Cardiff University; Cardiff UK
4. Department of Obstetrics; Université catholique de Louvain; Cliniques Universitaires Saint-Luc; Brussels Belgium