1. Department of Medical Technology; Graduate School of Health Science; Okayama University; Okayama Japan
2. Department of Clinical Laboratory; National Hospital Organization Okayama Medical Center; Okayama Japan
3. Department of Pathology; Okayama University Hospital; Okayama Japan
4. Department of Clinical Laboratory; National Hospital Organization Shikoku Cancer Center; Mastuyama Japan
5. Department of Pathology; Hiroshima City Hiroshima Citizens Hospital; Hiroshima Japan
6. Department of Medical Technology; Kochi Gakuen College; Kochi Japan
7. Department of Pathology; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; Okayama Japan