Received: 22 September 2020
Revised: 28 September 2020
Accepted: 29 September 2020
First Online: 19 October 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All animal procedures were approved by the institutional review board of the Animal Care and Use Committee and were conducted in compliance with the animal experimentation guidelines of Keio University School of Medicine.