Dates	VAS
2021.7.9(OPD 1st)	7
2021.7.23(OPD 5th)	5
2021.8.11(OPD 10th)	3
2021.8.23(OPD 15th)	2
2021.9.6(OPD 20th)	2
2021.9.24(OPD 25th)	0.5
2021.10.11(OPD 30th)	1.5