Validity and reliability of the mobile virtual reality subjective visual vertical measurement system: Comparison with conventional bucket test. - Ogihara H; Kamo T; Umibe A; Kurasawa Y; Hayashi S; Kuroda T; Tanaka R; Azami M; Kato T; Noda M; Tsunoda R; Fushiki H (Journal of vestibular research : equilibrium & orientation, 2025)