1. Department of Zoology (L.W.T.C., A.S.T.W.), University of Hong Kong, Hong Kong
2. Department of Physiology (S.C.L.A.), Chinese University of Hong Kong, Hong Kong
3. Department of Pathology (A.N.Y.C.), University of Hong Kong, Hong Kong
4. Department of Obstetrics and Gynecology (H.Y.S.N.), University of Hong Kong, Hong Kong
5. Division of Pharmaceutical Sciences (J.T.-T.), University of Missouri, Kansas City, Missouri 64110
6. Department of Ophthalmology (J.T.-T.), Yale University School of Medicine, New Haven, Connecticut 06520
7. Department of Obstetrics and Gynecology (N.A.), University of British Columbia, Vancouver, British Columbia, Canada V6H 3V5