Received: 23 August 2019
Accepted: 26 February 2020
First Online: 19 March 2020
Compliance with ethics guidelines
: Yugong Ho, Peng Hu, Michael T. Peel, Sixing Chen, Pablo G. Camara, Douglas J. Epstein, Hao Wu, and Stephen A. Liebhaber declare that they have no conflict of interests.
: All institutional and national guidelines for the care and use of laboratory animals were followed.