Create 'variables' for the BestAIR Adverse Events data set and
Serious Adverse Events data set
Delete one `datesae` in order to have variable name uniqueness
Create 'variables' in the BestAIR Protocol Deviation data set,
Study Completion data set and Treatment Discontinuation/Crossover
data set
Rename 'variables' in TWPAS data set to make more sense
Create 'variables' in the Calculated Variables data set for 24BP
Create 'variables' in the Calculated Variables data set for Calgary
Create 'variables' in the Calculated Variables data set for SF36
Create 'variables' in the Calculated Variables data set for TWPAS