rights reserved. The title Science is a registered trademark of AAAS. EFTA00615029 Epidermal Electronics Dae-Hyeong Kim!' Nanshu Litt' Rui Ma!* Yun-Soung Kim,' Rak-Hwan Kim! Shuodao Wang! Jian Wu,' Sang Min Won,' Hu Tao,` Ahmad Islam,' Ki Jun Yu,' Tae-il Kim,' Raeed Chowdhury, Ming Ying,1 Lizhi Xu,' Ming