Hold the line, please http://deksonbattery.com/nexium-40-mg-vs-prilosec-20-mg-ahdv prilosec otc 20.6 mg dosage JPMorgan Chase & Co and RBC Capital Markets are advising BlackBerry. The board is being advised by Perella Weinberg Partners, the sources said. Skadden, Arps, Slate, Meagher & Flom LLP and Torys LLP are providing legal advice.