"electrography","01" "subjectkey","src_subject_id","interview_date","interview_age","sex","recording_type","recording_type_other","timepoint_label","site","comments_misc","experiment_notes","experiment_terminated","experiment_validity","data_file1","data_file1_type","data_file2","data_file2_type","data_file3","data_file3_type","data_file4","data_file4_type"