'Maus92' safe bet is looking a tad unsafe to me but I'm not a betting individual - I look for evidence. Here is some from an Italian RADM Harrier pilot:
The Italian Approach to the F-35: A Discussion with Rear Admiral Covella 2013-11-08 By Robbin Laird
The Italian Approach to the F-35: A Discussion with Rear Admiral Covella | SLDInfo
RADM Covella: "...The Cavour will see some changes as well; there are no structural changes necessary but some adaptations such as dedicated secure networks and laying down a new type of surface treatment for the ship flight deck...."
I have seen only quotes suggesting the Spanish LHD Juan Carlos I is OK for F-35B use but nothing detailed
AFAIK. However now that the F-35B possibility is back in the political arena in our Great Southern Land then more details about these aspects may emerge over time.