Enrollment Criteria

You are a woman with anti-SSA/Ro and/or anti-SSB/La autoantibodies and have a child with any problem of NL

You are a child with with any problem of NL born to a mother who tested positive for anti-SSA/Ro and/or anti-SSB/La autoantibodies.

You are a father of a child who has been diagnosed with any problem of NL.

Your are the unaffected sibling (sister or brother) of a child with any problem of NL.

You are the sibling (sister or brother) of a woman who has a child/children with any problem of NL.

You are the maternal grandmother of a child/children with any problem of NL.

You are the maternal grandfather of a child/children with any problem of NL.