Author contribution
Shozo Osera: conception and design, acquisition of data, analysis and interpretation of data, and manuscript drafting; Akihisa Tomori: analysis and interpretation of data, and manuscript revising; Aiko Arakawa: analysis and interpretation of data, and manuscript revising; Satoshi Shiozawa: acquisition of data, analysis and interpretation, and manuscript revising; Takeshi Hisa: manuscript revising. All authors approved the final version to be published, and agree to be accountable for all aspects of the work.
Informed consent : Informed consent was obtained from the patient for the publication of their information and imaging.
Conflict of interest : None
Funding: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.