[1] Univ Tsukuba, Int Inst Integrat Sleep Med WP IIIS, Tsukuba, Ibaraki, Japan
[2] Kanazawa Univ, Grad Sch Med Sci, Dept Mol Neurosci & Integrat Physiol, Kanazawa, Ishikawa, Japan
[3] Hokkaido Univ, Grad Sch Med, Dept Neuropharmacol, Sapporo, Hokkaido, Japan
[4] Ruhr Univ Bochum, Dept Gen Zool & Neurobiol, Bochum, Germany