[1] Leiden Univ, Med Ctr, Dept Gynaecol, NL-2300 RC Leiden, Netherlands
[2] Leiden Univ, Med Ctr, Dept Pathol, NL-2300 RC Leiden, Netherlands
[3] Univ Indonesia, Dept Gynaecol, Jakarta 10430, Indonesia
[4] Univ Indonesia, Dept Community Med, Jakarta 10430, Indonesia
[5] Univ Indonesia, Rumah Sakit Cipto Mangukusumo, Dept Anat, Jakarta 10430, Indonesia
[6] Padjadjaran State Univ, Rumah Sakit Hasan Sadikin, Dept Gynaecol, Bandung 40161, Indonesia
[7] Univ Udayana, Rumah Sakit Sanglah, Dept Gynaecol, Bali, Indonesia