1. Medical Section, Universiti Kuala Lumpur-British Malaysian Institute, Bt. 8 Jalan Sungai Pusu, 53100 Gombak, Selangor, Malaysia
2. Centre for Biomedical Engineering, University of Surrey, Guildford GU2 7XH, Surrey United Kingdom
3. Ampang Hospital, Jalan Pandan Mewah, 68000 Ampang, Selangor, Malaysia