1. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
2. Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
3. Division of Advanced Materials Engineering, Jeonbuk National University, Jeonju, South Korea.
4. Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.
5. Department of Materials Science and Engineering, Seoul National University, Seoul, South Korea.
6. Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
7. Center for Opto-Electronic Materials and Devices, Korea Institute of Science and Technology, Seoul, South Korea.
8. College of Computer Science, Zhejiang University, Hangzhou, China.
9. HMC, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, South Korea.
10. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea.
11. Skincare Division, Amorepacific R&D Center, Yongin, South Korea.
12. Department of Dermatology, Chung Ang University College of Medicine, Seoul, South Korea.
13. Clinical Research Lab, Skincare Division, Amorepacific R&D Center, Yongin, South Korea.
14. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.