1. Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro, Yuseong‐gu Daejeon 34141 Republic of Korea
2. Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine 50–1 Yonsei‐ro, Seodaemun‐gu Seoul 03722 Republic of Korea
3. Division of Advanced Materials Engineering Jeonbuk National University 567 Baekje‐Daero, Deokjin‐gu Jeonju‐si Jeollabuk‐do 54896 Republic of Korea
4. Department of Dermatology Chung‐Ang University Hospital 224‐1 Heukseok‐dong, Dongjak‐gu Seoul 156–755 Republic of Korea
5. School of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro, Yuseong‐gu Daejeon 34141 Republic of Korea
6. Fronics Co., Ltd. 754, Seolleung‐ro, Gangnam‐gu Seoul 06062 Republic of Korea