1. Institute of Electro‐Optical EngineeringChang Gung University Taoyuan 333 Taiwan
2. Department of Electronic EngineeringChang‐Gung University Taoyuan 333 Taiwan
3. Biosensor GroupBiomedical Engineering Research CenterChang Gung University Taoyuan 333 Taiwan
4. Department of General SurgeryChang Gung Memorial Hospital Linkou 333 Taiwan
5. Physical Sciences and Engineering DivisionKing Abdullah University of Science and Technology Thuwal 23955‐6900 Saudi Arabia
6. School of Materials Science and EngineeringUniversity of New South Wales Sydney New South Wales 2052 Australia
7. Faculty of Information Technology College of MicroelectronicsBeijing University of Technology Beijing 100124 P. R. China
8. Department of ElectrophysicsNational Chiao Tung University Hsinchu 300 Taiwan
9. Department of NephrologyChang Gung Memorial Hospital Linkou 333 Taiwan
10. Department of Materials EngineeringMing‐Chi University of Technology New Taipei City 243 Taiwan