run_exwas_sex: Sensitivity analysis stratified by sex
In groovearmada/exwas:

Run ExWAS for complete mids long format (stacked) imputed dataset stratified by sex

1	run_exwas_sex(input_data, variable_list, sdq, subcohort)

`input_data`	'mids' object imputed dataset
`variable_list`	A character vector containing a list of exposures for wich regressions will be run
`sdq`	A character vector indicating in the outcome SDQ score is external or internal
`subcohort`	A character vector specifying stratification to be made (sex)

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (x)
{
  }