Is BRCA2 c.9079 G > A a predisposing variant for early onset breast cancer?

Fleur Hammet, Jessica George, Andrea A Tesoriero, Mark A Jenkins, Christopher Schroen, Letitia Smith, Anke Grabosch-Meehan, Gillian Dite, Margaret RE McCredie, Graham G Giles, Sean V Tavtigian, John L Hopper, Melissa C Southey