Corrigendum: The effect of topical airway anesthesia on hemodynamic profile during the induction period in patients undergoing cardiac surgery: Study protocol for a randomized controlled trial - Du, Wenya; Lv, Meng; Chen, Tingting; Sun, Xiaxuan; Wang, Jihua; Zhang, Haixia; Wei, Chuansong; Liu, Yi; Qiao, Changlong; Wang, Yuelan (Frontiers in Cardiovascular Medicine, 2023)