1. Departments of Molecular and Cellular Biology (I.U.A., N.L.W., D.G.K.)
2. Department of Obstetrics and Gynecology, Tongji University (X.-W.T.), 200065 Shanghai, People’s Republic of China
3. Department of Obstetrics and Gynecology, University Hospital Maastricht (D.-C.F., D.G.K.), 6202 AZ Maastricht, The Netherlands
4. Red Cross Blood Bank (K.K.), 89081 Ulm, Germany
5. Department of Biomathematics, University of Texas M. D. Anderson Cancer Center (N.E.A.), Houston, Texas 77030
6. Department of Pathology and Program in Molecular Biology, University of Colorado Health Sciences Center (D.P.E.), Denver, Colorado 80262
7. Texas/United Kingdom Collaborative Research Initiative, Rice University (D.R.H.), Houston, Texas 77251
8. Obstetrics and Gynecology (D.G.K.), Baylor College of Medicine, Houston, Texas 77030