(1) Department of Surgery, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia ,

(2) Department of Urology, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia ,

(3) Department of Neurosurgery, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia ,

(4) Department of Neurosurgery, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia ,

(5) Department of Urology, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia ,

(6) Department of Oncology, Prof. dr. IGNG Ngoerah Central General Hospital; Faculty of Medicine, Universitas Udayana, Denpasar, Indonesia