aDepartment of Obstetrics and Gynecology, Cardinal Tien Hospital-Hsintien, Taipei, Taiwan, R.O.C.
bFu Jen Catholic University, Taipei, Taiwan, R.O.C.
cDepartment of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan, R.O.C.
dNational Yang-Ming University School of Medicine, Taipei, Taiwan, R.O.C.
*Correspondence to: Dr Peng-Hui Wang, Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, 201, Section 2, Shih-Pai Road, Taipei 112, Taiwan, R.O.C.
E-mail: [email protected]
Received: June 5, 2006; revised December 13, 2006.