I want to know the answer to the following question:
Which organizations list Hirudo medicinalis as endangered?
All the background I'm provided with is that "In the 19th century medical demand for leeches was so high that some areas' stocks were exhausted and other regions imposed restrictions or bans on exports, and Hirudo medicinalis is treated as an endangered species by both IUCN and CITES.". Is that enough to answer the question?