1. Faculty of Information TechnologyCollege of MicroelectronicsBeijing University of Technology Beijing 100124 P. R. China
2. Department of Electronics Engineering and Institute of ElectronicsNational Chiao Tung University Hsinchu 300 Taiwan
3. Department of Electronic EngineeringChang Gung University Guishan Dist. 33302 Taoyuan Taiwan
4. Electronic Materials Growth and Interface Characterization LaboratoryDepartment of PhysicsNational University of Singapore 2 Science Drive 3 Singapore 117551 Singapore
5. Department of Electrical and Computer EngineeringUniversity of California Riverside CA 92521 USA
6. Integrated Service Technology No. 10‐1, Lixing 1st Rd., East Dist. Hsinchu City 30078 Taiwan
7. State Key Laboratory of Electronic Thin Films and Integrate DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
8. Biosensor GroupBiomedical Engineering Research CenterChang Gung University Guishan Dist. 33302 Taoyuan Taiwan
9. Department of NephrologyChang Gung Memorial Hospital Guishan Dist. 33305 Linkou Taiwan
10. Department of Materials EngineeringMing Chi University of Technology Taishan Dist. 24301 New Taipei City Taiwan