From the *Department of Clinical Sciences, Obstetrics and Gynecology, Umeå University, Umeå, Sweden; †Department of Obstetrics and Gynecology, Sunderby Hospital, Luleå, Sweden; ‡Department of Women's and Children's Health, University Hospital, Uppsala, Sweden; and §Department of Clinical Sciences, Psychiatry, Umeå University, Umeå, Sweden.
The authors thank all personnel involved in the ultrasound screening procedures at the 2 sites and especially Mrs. Marie Wallgren and Mrs. Yvonne Hoff.
Financial Disclosure This study was supported by research grants from Pfizer AB, Stockholm, Sweden, Visare Norr, Umeå University Insamlingsstiftelsen, and by grants to Inger Sundström-Poromaa from the Swedish Society for Medical Research.
Address reprint requests to: Liselott Andersson, MD, Department of Obstetrics and Gynecology, Sunderby Hospital, S-97180 Luleå, Sweden; e-mail: [email protected]and[email protected].
Received February 18, 2004. Received in revised form May 12, 2004. Accepted May 21, 2004.