j saki department of medical parasitology and mycology, faculty of medicine, iran university of medical sciences, tehran, iran and department of medical parasitology and mycology, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran ar meamar department of medical parasitology and mycology, faculty of medicine, iran university of medical sciences, tehran, iran h oormazdi department of medical parasitology and mycology, faculty of medicine, iran university of medical sciences, tehran, iran l akhlaghi department of medical parasitology and mycology, faculty of medicine, iran university of medical sciences, tehran, iran s maraghi department of medical parasitology and mycology, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran m mohebali department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran