Text and Data Mining valid from 2017-09-01
Received: 21 October 2016
Accepted: 28 August 2017
First Online: 1 September 2017
Ethics approval and consent to participate
: This study conformed to the ethical guidelines of the World Medical Association Declaration of Helsinki-Ethical Principles for Medical Research Involving Human Subjects and has been approved by the Institutional Review Board of Nagoya University, Japan (No. 2013–0295). Written informed consent for usage of clinical samples and data, and publication as required by the institutional review board, was obtained from all patients.
: Not Applicable.
: The authors declare that they have no competing interests.
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