Corrigendum to ‘Revealing the hidden rules of bidirectional pedestrian flow based on an improved floor field cellular automata model’ [Simulation Modelling Practice and Theory 100 (2020) 1–16/102044] - Xue, Shuqi; Feliciani, Claudio; Shi, Xiaomeng; Li, Tongfei (Simulation Modelling Practice and Theory, 2020)