1 Department of Neurosurgery, Neuroscience Centre Siloam Hospital, Faculty of Medicine, Universitas Pelita Harapan, Jenderal Sudirman Boulevard, Lippo Karawaci, Tangerang, Banten, 15811, Indonesia.
2 Faculty of Medicine, Universitas Pelita Harapan, Jenderal Sudirman Boulevard, Lippo Karawaci, Tangerang, Banten, 15811, Indonesia.