1. Institute of Medical Psychology, Heidelberg University, Heidelberg, Germany
2. Department of Reproductive Medicine, University of California, San Diego, CA, USA
3. Department of Psychology, Emory University, Atlanta, GA, USA
4. Department of Psychiatry and Behavioral Sciences, Silvio O. Conte Center for Oxytocin and Social Cognition, Yerkes National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
5. Department of Psychology, Clinical Psychology and Psychotherapy, University of Zurich, Zurich, Switzerland