format
The format is:
List of 5
$ get.frequency.based.labels :function (hpo.terms, plotting.context)
$ get.simple.node.labels :function (hpo.terms, plotting.context)
$ get.informative.node.labels:function (hpo.terms, plotting.context)
$ get.patient.based.labels :function (hpo.terms, plotting.context)
$ get.code.node.labels :function (hpo.terms, plotting.context)