Background: Specific studies of Slavic genetics followed. In 2007 Rębała and colleagues studied several Slavic populations with the aim of localizing the Proto-Slavic homeland. The significant findings of this study are that:
Question: When did Rębała and colleagues studied several Slavic populations with the aim of localizing the Proto-Slavic homeland?
Answer:<extra_id_0>.
<extra_id_0> 2007<extra_id_1>