Pilot study using virtual 4-D tracking electromagnetic navigation bronchoscopy in the diagnosis of pulmonary nodules: a single center prospective study - Ishiwata, Tsukasa; Ujiie, Hideki; Gregor, Alexander; Inage, Terunaga; Motooka, Yamato; Kinoshita, Tomonari; Aragaki, Masato; Chen, Zhenchian; Effat, Andrew; Bernards, Nicholas; Yasufuku, Kazuhiro (Journal of Thoracic Disease, 2021)