Funding for this research was provided by:
National Major Scientific and Technological Special Project (¥1400000)
Open Research Fund of the State Key Laboratory of Cognitive Neuroscience and Learning (¥160000)
Received: 24 June 2019
Accepted: 19 November 2019
First Online: 17 December 2019
Ethics approval and consent to participate
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: Not applicable.
: The authors declare that they have no competing interests.