It seems that, after a few days I posted my article on Leonardo’s Monna Lisa, the Louvre has changed the content of the web page that describes the painting, removing their statement about it (that I cited in the article):
“It was eventually returned to Italy by Leonardo’s student and heir Salai. It is not known how the painting came to be in François I’s collection”.
Just a coincidence?
Anyway, you can see the former page on the archive’s web cache:
This is the web archive’s complete cache of the Gioconda’s web page:
These are the snapshots of the above web page (original and actual):