Sugimoto, Kazuhiro
Hoshino, Takehiko
Tamura, Akira
Yamazaki, Toshiro
Suzuki, Susumu
Shimbo, Takuro
Article History
Received: 23 July 2017
Accepted: 18 March 2018
First Online: 24 March 2018
Compliance with ethical standards
:
: The authors have nothing to declare.
: All analyses were conducted with the approval of the Ethical Committee of the Ohta Nishinouchi Hospital (approval no. N/A, approval date: 30 July 2014) and in accordance with the Helsinki Declaration of 1964 and later versions. No informed consent was given because existing data were retrieved and analyzed anonymously.