Correction: Utility of a freehand frameless navigation system in computed tomography-assisted ventral bulla osteotomy for otitis media in calves - Takeshi Tsuka; Masamichi Yamashita; Yoshiharu Okamoto; Shunsuke Miyazaki; Jun Ishii; Kitaro Yoshimitsu; Yoshihiro Muragaki (PLoS ONE, 2026)