University of Indonesia (UI) - Neurosurgery Department, University of Indonesia (UI) - Neurosurgery Department, University of Indonesia (UI) - Neurosurgery Department, University of Indonesia (UI) - Neurosurgery Department, Universitas Gajah Mada - Neurosurgery Department, Harapan Kita Women and Children Hospital - Surgery Department, University of Indonesia (UI) - Neurosurgery Department and Universitas Gajah Mada - Neurosurgery Department