Funding for this research was provided by:
Japan Society for the Promotion of Science (#JP16H05343)
Received: 29 July 2019
Accepted: 19 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: Normal and IPF lung tissues were obtained under a protocol approved by the University of Pittsburgh IRB.
: Not applicable.
: KA and SM are employees of Meiji Seika Pharma Co. Ltd.. The other authors declare no conflict of interest.