[1] Hamamatsu Univ Sch Med, Johns Hopkins Med Inst, Pathol, Seirei Mikatahara Hosp, Hamamatsu, Shizuoka 4313192, Japan
[2] Seirei Mikatahara Hosp, Pathol, Hamamatsu, Shizuoka, Japan
[3] Chang Gung Mem Hosp, Pathol, Taoyuan, Taiwan
[4] Chang Gung Univ, Coll Med, Taoyuan, Taiwan
[5] Hamamatsu Univ Sch Med, Pathol, Hamamatsu, Shizuoka 4313192, Japan
[6] Johns Hopkins Med Inst, Pathol, Baltimore, MD 21205 USA
[7] Johns Hopkins Med Inst, Pathol Gynecol Obstet Oncol, Baltimore, MD 21205 USA