1. Division of Pharmaceutical Biology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
2. Department of Clinical Research, University of Bern, Bern, Switzerland
3. Weleda AG, Arlesheim, Switzerland
4. Research Department, Paracelsus Hospital Richterswil, Richterswil, Switzerland
5. Department of Obstetrics, University Hospital Zurich, Zürich, Switzerland