[1] School of Health Sciences,
[2] Kyushu University,undefined
[3] 3-1-1 Maidashi,undefined
[4] Higashi-ku,undefined
[5] Fukuoka 812-8582,undefined
[6] Japan. kaku@shs.kyushu-u.ac.jp,undefined
[7] Department of Obstetrics and Gynecology,undefined
[8] Graduate School of Medical Sciences,undefined
[9] Kyushu University,undefined
[10] Fukuoka,undefined
[11] Japan,undefined
[12] Department of Anatomic Pathology,undefined
[13] Graduate School of Medical Sciences,undefined
[14] Kyushu University,undefined
[15] Fukuoka,undefined
[16] Japan,undefined