Funding for this research was provided by:
the Japan Society for the Promotion of Science
the Smoking Research Foundation
Received: 14 September 2020
Accepted: 22 February 2021
First Online: 2 March 2021
Ethics approval and consent to participate
: The study was approved by Ethics Committee of Fukushima Medical University (number 2847; Fukushima, Japan). Informed consent was obtained from the patient by an opt-out option on our hospital website.
: The patient gave his written consent for the publication of his personal or clinical details along with any identifying images included in this case report.
: The research on DM was partly supported by Takara Bio Inc.