1. Department of Pathology; Matsuyama Red Cross Hospital; Matsuyama Japan
2. Department of Clinical Laboratory; Kitakyushu Municipal Medical Center; Kitakyushu Japan
3. Kitakyushu Municipal Medical Center; Kitakyushu
4. Department of Diagnostic Pathology; Kochi Red Cross Hospital; Kochi Japan
5. Department of Pathology; Faculty of Medicine in Pilsen; Charles University in Prague; Pilsen Czech Republic