Funding for this research was provided by:
Ministry of Health, Labour and Welfare (201406002B)
Japan Agency for Medical Research and Development (15bk0104049h0001)
Received: 17 September 2019
Revised: 25 January 2020
Accepted: 4 February 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: The handling of human tissue was approved by the Ethics Committee of Osaka University Graduate School of Medicine and informed, written consent was obtained from all donors. The Institutional Ethics Review Committee for Animal Experimentation approved all animal experimental study protocols.
: Not applicable
: The authors declare that they have no competing interests.