Corrigendum to "Tentative study on radial endobronchial ultrasonography evaluating airway wall thickness before and after bronchial thermoplasty" [Respir. Med. Case Rep. 36 (2022) 101571]. (2022) - Yan, Shang; Huang, Haidong; Chengjie, Zhu; Qin, Wang; Hohenforst-Schmidt, Wolfgang; Freitag, Lutz; Tsakiridis, Kosmas; Zarogoulidis, Paul; Arnaoutoglou, Christos; Ioannidis, Aris; Chong, Bai