For mortality, the observation time was from the start date of long term oxygen therapy until the date of death from all causes, with censoring at withdrawal of long term oxygen therapy or 31 December 2009.
One four times as valuable can expect to get about $20m per season.However, this pattern only tends to hold at the start of long-term contracts.
The first date fulfilling this criterion was considered start of long-term use.
17 Time to event variables were duration in years from first injection to death (from primary care records) or the start of a period of long term cessation of injecting (from follow-up interviews).
To disentangle the effects of chance and adaptation during adaptive radiations, we started a series of long-term selection experiments with the microbe Escherichia coli [12], [13], [14], [15], [16].
But the Rome meeting did make a start on the longest of long-term goals: a second green revolution.
Gus Faucher, PNC: "The August employment data will be key to the Fed's decision as to whether to start reducing its purchases of long-term assets at its mid-September meeting.
Realization of Goal Four can help countries emerge from the emergency or post-crisis transition phase and start on a path of long-term development through a combination of evidence-based policies, systems development, research and analysis and fit-for-purpose financing modalities.
But one thing is clear: we all need to quickly start thinking long term instead of just short term in our country, start acting and planning with the collective American "we" instead of just the individual "I", and start truly sharing the sacrifice to maintain and grow the America we love and have come to take for granted.
Mr Blair went on to list Labour's NHS achievements - starting with the end of long-term waiting lists.
Rao also started his company out of long-term concern for the environment.
