Ancient island hopping in the western Mediterranean (Fernandes et al. 2019 preprint)

Over at bioRxiv at this LINK. Here's the abstract, emphasis is mine:

A series of studies have documented how Steppe pastoralist-related ancestry reached central Europe by at least 2500 BCE, while Iranian farmer-related ancestry was present in Aegean Europe by at least 1900 BCE. However, the spread of these ancestries into the western Mediterranean where they have contributed to many populations