Authors: Saima Hilal; Mohammad Kamran Ikram; Monica Saini; Chuen Seng Tan; Joseree Ann Catindig; Yan Hong Dong; Leon Ben Swie Lim; Eric Y S Ting; Edward H Koo; Carol Y L Cheung; Anqi Qiu; Tien Yin Wong; Christopher Li-Hsian Chen; Narayanaswamy Venketasubramanian Journal: J Neurol Neurosurg Psychiatry Date: 2013-02-05 Impact factor: 10.154