Corrigendum: Case report: Cryptogenic giant brain abscess caused by Providencia rettgeri mimicking stroke and tumor in a patient with impaired immunity - Zhao, Yu; Lian, Baorong; Liu, Xudong; Wang, Qizheng; Zhang, Daxue; Sheng, Qi; Cao, Liming (Frontiers in Neurology, 2023)