Table 1.

The evaluated timepoint, storage temperature, and conditions.

Temperature	Buffer	Fresh	Day 1	Day 3	Day 7
4 °C	PBS	+	+	+	+
	EV Buffer	+	+	+	+
	Media (not isolated)			+	+
−80 °C	PBS				+
	EV Buffer				+
	Media (not isolated)				+

+: analyzed time point in this study.