1. Gray Institute for Radiation Oncology and Biology, Department of Oncology, University of Oxford, Oxford, United Kingdom;
2. Center for Thrombosis Research, Florida Hospital, Orlando, FL;
3. Department of Developmental and Molecular Biology, Center for the Study of Reproductive Biology and Women's Health, Albert Einstein College of Medicine, New York, NY; and
4. Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA