1. Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China
2. Department of Microsystems Engineering, Rochester Institute of Technology, Rochester, NY, USA
3. Center Nanoelectronic Technologies, Fraunhofer IPMS, Dresden, Germany
4. GlobalFoundries, Dresden, Germany
5. Department of Computer Science and Engineering, Penn State University, University Park, PA, USA
6. School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
7. Institute of Microelectronics, Chinese Academy of Science, Beijing, China