1. CoRPS; Department of Medical and Clinical Psychology; Tilburg University; Tilburg the Netherlands
2. Department of Gynecology and Obstetrics; Elisabeth-TweeSteden Hospital; Tilburg the Netherlands
3. Department of Gynecology and Obstetrics; Radboud University Medical Center; Nijmegen the Netherlands
4. Department of Medical Psychology; Elisabeth-TweeSteden Hospital; Tilburg the Netherlands
5. Laboratory of Clinical Chemistry and Hematology; Elisabeth-TweeSteden Hospital; Tilburg the Netherlands