Corrigendum to "Rapid fabrication of partially exfoliated graphite foil with 3D hierarchical structure and its application in electrochemical detection of olaquindox" [Electrochimica Acta 392 (2021) 139039]. (20th October 2021) - Ye, Yinjian; Zhuang, Zelin; Yao, Su; Li, Siting; Tang, Yong; Liu, Yanqing; Wang, Hongwu