1. Department of Cell and Tissue Biology, School of Dentistry, University of California San Francisco, San Francisco, California
2. Department of Obstetrics and Gynecology, University of California Irvine, Irvine, California
3. Department of Obstetrics and Gynecology, University of California San Francisco, San Francisco, California
4. Department of Virology, National Institute of Infectious Diseases, Japan
5. Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, California
6. Trellis Bioscience LLC, 2-B Corporate Drive, South San Francisco, California
7. Department of Obstetrics and Gynecology, University of California Los Angeles, Los Angeles, California