Funding for this research was provided by:
Japan Society for the Promotion of Science (No. 25870499)
Received: 2 February 2018
Accepted: 5 December 2018
First Online: 12 January 2019
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of our institution and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.The patients gave informed consent to participate in this Institutional Review Board (IRB)-approved study (IRB number 24–55) and were informed of the risk of radiation exposure required.
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