Affiliation: | Department of Biology and Medical Parasitology, University of Medicine, Wroclaw, Poland; Department of Ophthalmology, University of Medicine, Wroclaw, Poland; Department of Parasitology, Wroclaw University, Wroclaw, Poland; Inter-Faculty Institute of Maritime and Tropical Medicine, Department of Tropical Parasitology, Medical University of Gdansk, Gdynia, Poland |