M. Habous - Centers for New Horizons
S. Giona - King's College Hospital
G. Muir - King's College Hospital
S. Binsaleh - King Saud University
O. Abdelwahab - Benha University
M. Nassar - Elaj Medical Centers, Saudi Arabia
Z. Abdelrahman - Elaj Medical Centers, Saudi Arabia
A. Elserafy - Elaj Medical Centers, Saudi Arabia
J. Mulhall - Memorial Sloan Kettering Cancer Center
D. Ralph - St Peters Andrology Center, UCLH, London, UK