Funding for this research was provided by:
Japan Agency for Medical Research and Development
Received: 27 March 2020
Accepted: 21 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and was approved by the ethics committees at Osaka University (No.719–2, Osaka, Japan). Written informed consent was obtained from the patients.
: Written informed consent was obtained from both the patients.
: The authors declare that they have no competing interests.