Correspondence
Tsuyoshi Murata, MD
Department of Obstetrics and Gynecology, Fukushima Medical University
School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
Tel.: +81-24-547-1290, Fax: +81-24-548-3878
E-mail: tuyoshim@fmu.ac.jp
Manuscript word count: 2,598 words
Abstract word count: 246 words
Number of figures: 1
Number of tables: 3
Number of references: 38
Material in the electronic repository: not applicable