Merigian, Kevin S. *; Blaho, Kari E.2
1Department of Obstetrics and Gynecology, University of Tennessee, Memphis, Cordova; and 2Research Director, Department of Emergency Medicine, UT Medical Group, Inc., Memphis, TN.
*Address for correspondence: Department of Obstetrics and Gynecology, University of Tennessee, Memphis, 8200 Old Dexter Road, Cordova, TN 38018, USA.