Materials Materials 11(2), 290 (2018). doi:10.3390/ma11020290 special issue: "Special Issue "Stretchable and Flexible Electronic Materials & Devices" / Guest Editors: Prof. Jan Vanfleteren, Prof. Fu Hsiang Ko, Prof. Chih-Feng Wang, Dr. Frederick Bossuyt" Materials; Volume 11; Issue 2; Pages: 290 Materials, Vol 11, Iss 2, p 290 (2018)