1. Departments of Andrology Laboratory (K.A.W., K.J.M., M.G.S., M.J., C.M.A., D.J.H.), ANZAC Research Institute, University of Sydney, Sydney, New South Wales 2139, Australia
2. Vascular Biology Laboratory (A.C.M.), ANZAC Research Institute, University of Sydney, Sydney, New South Wales 2139, Australia
3. Prince Henry’s Institute of Medical Research (L.A.S.), Clayton, Victoria 3168, Australia