No.
This isn't deducible from the article YOU linked!
Not having a link to the seafood marketplace in Wuhan != originating from outside Wuhan.
> The paper, written by a large group of Chinese researchers
> Their data also show that, in total, 13 of the 41 cases had no link to the marketplace.
> the virus possibly spread silently between people in Wuhan—and perhaps elsewhere—before the cluster of cases from the city’s now-infamous Huanan Seafood Wholesale Market was discovered in late December.