1. Division of General Internal Medicine, Mayo Clinic , Jacksonville, FL , USA
2. Department of Internal Medicine, Mayo Clinic Center for Women’s Health , Rochester, MN , USA
3. Barbra Streisand Women’s Heart Center, Smidt Heart Institute, Cedars-Sinai Medical Center , 127 S. San Vicente 90248, Los Angeles, CA , USA
4. Women’s Health Research Center, Mayo Clinic , Rochester, MN , USA