TABLE 1.

The stressors for CUMS in this study.

Stressor	Duration	Stressor	Duration
Restraint in a tube	1 h	Stroboscopic light overnight	12 h
Swimming in 18°C water	10 min	Lonely overnight	12 h
Crowed overnight	12 h	Peculiar smell overnight	12 h
Lighting overnight	24 h	Water or food deprivation	12 h
Light cycle	3 h	Stress under 4°C	1 h
Mouse cage overnight	12 h	Wet bedding overnight	12 h
Cage tilting at 45°	12 h