1. Wang X, Guo X, Ye J, Zheng N, Kohli P, Choi D, Zhang Y, Xie Z, Zhang Q, Luan H, Nan K, Kim BH, Xu Y, Shan X, Bai W, Sun R, Wang Z, Jang H, Zhang F, Ma Y, Xu Z, Feng X, Xie T, Huang Y, Zhang Y, Rogers JA, Freestanding 3d mesostructures, functional devices, and shape-programmable systems based on mechanically induced assembly with shape memory polymers. Advanced Materials, 2019, 31: 1805615.