1. Clinical Cytopathology Service; Istituto Cantonale di Patologia; Locarno, CH-6600 Switzerland
2. Departments of Obstetrics and Gynecology; JA Suzuka General Hospital; Mie Japan
3. Department of Cytopathology, National and Kapodistrian University of Athens; University General Hospital “Attikon”; Athens Greece
4. Department of Bioscience and Laboratory Medicine; Hirosaki University Graduate School of Health Science; Aomori Japan
5. Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine (CeSI-MeT); University of Chieti-Pescara; Chieti Italy
6. Department of Diagnostic Pathology; Toyama Red Cross Hospital; Toyama Japan
7. Department of Obstetrics and Gynecology; Faculty of Medicine, Tokyo Women's Medical University
8. Department of Medical Technology, Faculty of Health Sciences; Ehime Prefectural University of Health Sciences; Ehime Japan
9. Cancer Education and Research Center; Osaka University Graduate School of Medicine and Health Science; Osaka Japan
10. Department of Obstetrics and Gynecology; Faculty of Medicine, Dokkyo Medical University; Tochigi Japan