Corrigendum: Influence of soft block crystallization on microstructural variation of double crystalline poly(ether‐mb‐amide) multiblock copolymers. Issue 4 (20th December 2018) - Cao, Yiyu; Zhu, Ping; Wang, Zefan; Zhou, Yong; Chen, Haiming; Müller, Alejandro J.; Wang, Dujin; Dong, Xia