Received: 27 January 2021
Accepted: 7 February 2021
First Online: 11 February 2021
Ethics approval and consent to participate
: According to the local ethics guidelines, all blood samples were obtained for storage and analysis only after the patient gave written informed consent on a form that was approved by the local ethics committee (the Ethics Review Board of Daido Central Hospital: No.30).All procedures were in accordance with the ethical standards of the responsible committee on human experimentation at Fukushima Medical University and with the 1975.Declaration of Helsinki and its later revisions
: Written informed consent to participate in the study was obtained from the legal guardians or representatives of the 194 subjects with ATL, HAM and UA.
: The authors have no conflicts of interest to disclose.