1. School of Medical Engineering, Hefei University of Technology, Hefei 230009, China
2. School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China
3. Department of Computer Science & Engineering, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
4. Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung 80708, Taiwan