1. Department of Electronics and Communication Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
2. Department of Biomedical engineering, Veltech Multitech Dr. Rangarajan Dr. Sakunthala Engineering College, Chennai, India.
3. School of Engineering, Asia Pacific University of Technology and Innovation, Kuala Lumpur, Malaysia.