1. Andrology Department (G.K.S.S., L.T., M.J., D.J.H.), Concord Hospital, Sydney, New South Wales 2139, Australia
2. Faculty of Pharmacy (G.K.S.S.), Universiti Teknologi MARA, Bandar Puncak Alam, Selangor, 42300 Malaysia
3. ANZAC Research Institute (G.K.S.S., R.D., M.J., D.J.H.), University of Sydney, Sydney New South Wales 2139, Australia