Suspicious value in visits column of 02_validated_output.csv

[dmbates]

The non-missing data in that column are in the range 1 to 30 except for data from a single subject minddevlabbicocca:mb12 who is recorded as having 43403 visits.

[dmbates]

Also the popkm2 column has values between 30 and 550 except for the subjects in the lscppsl lab for which that column contains 1932235.