1. Department of Biomedical Engineering; Faculty of Engineering, University of Malaya; Kuala Lumpur Malaysia
2. Bioinspired Engineering and Biomechanics Centre (BEBC); Xi'an Jiaotong University; People's Republic of China
3. Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology; Xi'an Jiaotong University; People's Republic of China
4. Department of Obstetrics and Gynaecology; Faculty of Medicine, University of Malaya; Kuala Lumpur Malaysia
5. Department of Physiology; Faculty of Medicine, Universiti Kebangsaan Malaysia; Kuala Lumpur Malaysia