Aryal, Bibek
Komokata, Teruo
Yasumura, Hiroto
Kamiimabeppu, Daisaku
Inoue, Maki
Yoshikawa, Kota
Kaieda, Mamoru
Imoto, Yutaka
Article History
Received: 10 July 2018
Accepted: 5 October 2018
First Online: 16 October 2018
Ethics approval and consent to participate
: Ethical approval was not applicable because of the retrospective design of the study. Informed consent for surgery was obtained in a written document from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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