Text and Data Mining valid from 2018-06-06
Received: 6 May 2017
Accepted: 23 May 2018
First Online: 6 June 2018
Ethics approval and consent to participate
: This study protocol was approved by The Medical Ethics Committee of Kanazawa University, Kanazawa, Japan (Application number 1784). This study complied with ethical standards outlined in the Declaration of Helsinki. Informed concent was obtained from the patient’s parents or gurdian.
: The authors declare that they have no competing interests.
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