The Genetic Origin of the Indo-Europeans

[old europe]

Table S 44 A unified model of Indo-Anatolian and Indo-European origins from the supplement

now I see their hypothesis. Pay attention everybody. Basically what they are saying is that WHG/EHG on the Dneper Don and even full fledged EHG on the Volga were not PIE. For them PIE starts when the CHG/TTK kicks in to form the northern caucasus-lower Volga cline. So the cluster that makes PIE is the CHG/TKK
so what the  paper is all about is a revisited "southern arc hypothesis" For them PIE is born north of the caucasus but thanks to a southern caucasian influence.
The news about the haplo discoverd are finer and they did a real good job. The conclusion of the paper is a total garbage