Funding for this research was provided by:
Japan Society for the Promotion of Science (JP26462881)
Ministry of Education, Culture, Sports, Science and Technology (Center of excellence for molecular and gene targeting therapies with micro-dose molecular imaging modalities)
Ministry of Health, Labour and Welfare (Designated regional hub hospital promoting hematopoietic stem cell transplantation)
Received: 2 November 2017
Accepted: 1 March 2018
First Online: 12 March 2018
Compliance with ethical standards
: All subjects provided informed consent, and the study was approved by the Ethics Committee of Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences (Approval No. 902).
: The authors declare that they have no conflicts of interest.