1. Department of Psychology, The George Washington University, Washington, DC, USA
2. Department of Personality, Assessment and Psychological Treatment, Universidad Nacional de Educación a Distancia, Madrid, Spain
3. Department of Obstetrics and Gynecology, Central University Hospital of Asturias, Oviedo, Spain
4. Department of Obstetrics and Gynecology, San Carlos Clinic Hospital, Universidad Complutense, Madrid, Spain