1. Urology Department; Tanta University Medical School; Tanta Egypt
2. Department of Urology and Urological Science Institute; Yonsei University College of Medicine; Seoul Korea
3. Department of Urology; CHA Seoul Station Medical Centre; CHA University Medical School; Seoul Korea
4. Department of Laboratory Animal Medicine; Avison Bio-Medical Research Centre Veterinarian; Seoul Korea
5. Meerecompany Inc; Pangyo Techno Valley; Seongnam Korea