Received: 18 April 2019
Accepted: 24 July 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study was approved by the Animal Ethical Committee of Seoul National University Bundang Hospital and was performed in accordance with the Guide for the Care and Use of Laboratory Animals from the Institute of Laboratory Animals Resources.
: Not applicable
: The authors declare that they have no competing interests.