Study concept and design: S. Kase, M. Kase.
Acquisition, analysis, or interpretation of data: Shinohara.
Drafting of the manuscript: S. Kase.
Critical revision of the manuscript for important intellectual content: Shinohara, M. Kase.
Statistical analysis: S. Kase.
Obtained funding: S. Kase, Shinohara.
Administrative, technical, or material support: S. Kase.
Study supervision: Shinohara, M. Kase.
Conflict of Interest Disclosures: None reported.