1. School of Mechanical Engineering Chonnam National University, Gwangju, 61186, Republic of Korea
2. Department of Precision Mechanical Engineering Kyungpook National University, Sangju, Gyeongsangbuk-do, 37224, Republic of Korea
3. Center for Next-Generation Sensor Research and Development Chonnam National University, Gwangju 61186, Republic of Korea
4. Advanced Medical Device Research Center for Cardiovascular Disease, Chonnam National University, Gwangju 61186, Republic of Korea