for (Citation citation : citations) {
final String id = citation.getId();
final String name = citation.getName();
final String comment = citation.getComment();
final CitationType citationType =
citation.getCitationType();
final String ctype = citationType != null ? citationType
.getDisplayValue() : null;
// Pack the authors string exactly as done in
// CitationDataConverter.convert(Citation, Map<String, BELAnnotationDefinition>).
String author = null;