1. Department
of Obstetrics, University Hospital Zurich, Zürich, Switzerland
2. Institute
of Inorganic Chemistry, Swiss Federal Institute of Technology (ETH) Zurich, CH-8093 Zürich, Switzerland
3. Department
of Biochemistry, University of Zurich, CH-8057 Zürich, Switzerland
4. Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, California 92093-0202, United States
5. V.
N. Orekhovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow, Russia