Corrigendum to "An eye tracker based on webcam and its preliminary application evaluation in Chinese reading tests" [Biomed. Signal Process. Control 74 (2022) 103521]. (August 2022) - Lin, Zhongjun; Liu, Yinghua; Wang, Hui; Liu, Zhengji; Cai, Sijin; Zheng, Zhicheng; Zhou, Yongjin; Zhang, Xinyu