Funding for this research was provided by:
Received: 26 June 2019
Accepted: 22 October 2019
First Online: 1 November 2019
Ethics approval and consent to participate
: The ddPCR analysis was conducted according to the protocol approved by the Institutional Review Board of Kanazawa University Graduate School of Medicine (Approved # 327) and conformed to the Declaration of Helsinki.
: Written informed consent for the publication of clinical data and images were obtained from the patient according to the protocol (Approval #327).
: The authors declare that they have no competing interests.