Run the preprocessing as done in the AMPEL project.
sbc_preprocess(x)data.table, in the format described in sbcdata
data.table, same as x but with additional columns Excluded and
Label. Also 6 attributes are added:
"exclude_message", "exclude_cases", "exclude_cbc" that
describe the exclusion and the kept cases and complete blood counts (CBC).
"label_message", "label_cases", "label_cbc" that
describe the labeling and the affected cases and complete blood counts (CBC).