Show first name of the user if the first name of the person is not defined.
Show first name of the user if the first name of the person is not defined.

uclouvain/osis_louvain,uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis_louvain,uclouvain/osis_louvain