1. Department of Physiology (I.J.C., I.P.S., Y.Q,. J.T.S., H.C.P., J.I., Q.L., A.T.), Monash University, Victoria 3800, Australia
2. Department of Integrative Biology and Helen Wills Neuroscience Institute (T.U., G.E.B.), University of California at Berkeley, Berkeley, California 94720-3140
3. Medical Research Council Human Reproductive Sciences Unit (K.M., A.J.P., R.P.M.), Centre for Reproductive Biology, The Queen’s Medical Research Institute, Edinburgh EH16 4TJ, Scotland, United Kingdom
4. Department of Biology (K.T.), Waseda University, Shinjuku-ku, Tokyo 169-8050, Japan
5. Department of Medical Biochemistry (R.P.M.), University of Cape Town, Cape Town 7925, South Africa