LONDON (Reuters) - The European Central Bank's first meeting of the year is set to bring the formal launch of a strategy review, most likely including a rethink of an inflation goal the bank has failed to meet since 2013.The scope and scale of the review is likely to be discussed and is a key focus for markets given the far-reaching implications for monetary policy.A slightly brighter tone to data means the ECB's assessment of the economic outlook will also be scrutinized on Thursday.Here are..