1. From the Julius Center for Health Sciences and Primary Care (S.S., D.E.G., M.-L.B., Y.T.v.d.S., M.L.B.) and Radiology Department (A.R., M.P.), University Medical Center Utrecht, Utrecht, The Netherlands; the Ministry of Health and Medical Education (S.S.), Tabriz University of Medical Sciences, Tabriz, Iran; and the Department of Obstetrics and Gynaecology (A.F.), St Elisabeth Hospital, Tilburg, The Netherlands.