Variable / Field Name,Form Name,Field Units,Section Header,Field Type,Field Label,Choices OR Calculations,Field Note,Text Validation Type,Text Validation Min,Text Validation Max,Identifier?,Branching Logic (Show field only if...),Required Field? sibs,a3_subject_family_history,,,text,How many full siblings did the subject have?,,99 = Unknown,integer,0,20,,, sib1yob,a3_subject_family_history,,,text,Sibling 1 year of birth,,9999 = Unknown,integer,1875,2011,,[sibs] > 0,