1. Departments of Medical Technology Faculty of Health Sciences Ehime Prefectural University of Health Sciences Ehime Japan
2. Department of Pathology Nara Medical University Hospital Nara Japan
3. Department of Diagnostic Pathology Toyama Red Cross Hospital Toyama Japan
4. Department of Gynecology and Obstetrics Faculty of Medical Sciences University of Fukui Fukui Japan
5. Cancer Education and Research Center Osaka University Graduate School of Medicine Osaka Japan
6. Clinical Cytopathology Service Istituto Cantonale di Patologia Locarno Switzerland