Help customizing KM Curve

The journal I am submitting to requires dashed lines for data points with a standard error > 10% for KM curves. I was able to create the KM curve in stata with classic blue and red lines but I am not sure how/if I can customize the line to be dashed at certain data points.

Does anyone have experience with this in stata? Any suggestions on a different software to use to do this?

Thank you!