1. Advanced NEMS Group École Polytechnique Féderale de Lausanne (EPFL) Lausanne 1015 Switzerland
2. Division of Micro and Nanosystems School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Stockholm SE‐10044 Sweden
3. Adv. Research Institute of Multidisciplinary Sciences Beijing Institute of Technology Beijing 100081 China
4. Department of Electrical Engineering Chalmers University of Technology Gothenburg 41296 Sweden
5. Chair of Electronic Devices Faculty of Electrical Engineering and Information Tech RWTH Aachen University 52074 Aachen Germany
6. Swiss Integrative Center for Human Health (SICHH) Fribourg 1700 Switzerland