1. Nanotechnology and Catalysis Research Centre, Institute of Graduate Studies, University of Malaya, Kuala Lumpur, Malaysia;
2. Department of Biomedical Engineering, Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia;
3. Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia;
4. Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia;
5. Central Unit of Advanced Research Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia