NEW YORK, April 7, 2015 /PRNewswire/ — Attorney Advertising — Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of purchasers of the securities of Cellular Biomedicine Group Inc. (“Cellular Biomedicine Group” or the “Company”) (NasdaqCM: CBMG -News). Such investors are advised to contact Peretz Bronstein or his investor relations coordinator Eitan Kimelman at…