1 Peking University-Tsinghua University-NIBS Joint Graduate Program, School of Life Sciences, Tsinghua University, Beijing, China.
2 National Institute of Biological Sciences (NIBS), Beijing, China.
3 International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Ibaraki, Japan.
4 Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Tsinghua University, Beijing, China.
5 Department of Functional Neuroscience, Institute of Biomedical Science, Kansai Medical University, Osaka, Japan.
6 International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Ibaraki, Japan. sakurai.katsuyasu.gm@u.tsukuba.ac.jp.
7 National Institute of Biological Sciences (NIBS), Beijing, China. liuqinghua@nibs.ac.cn.
8 International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Ibaraki, Japan. liuqinghua@nibs.ac.cn.
9 Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Tsinghua University, Beijing, China. liuqinghua@nibs.ac.cn.