[1] UCLA Med Ctr, Los Angeles, CA USA
[2] Med Univ South Carolina, Charleston, SC USA
[3] Cardiovasc Associates Southeast, Birmingham, AL USA
[4] Oregon Hlth & Sci Univ, Portland, OR USA
[5] Univ Alabama Birmingham, Sch Publ Hlth, Birmingham, AL USA
[6] Baptist Hlth Lexington, Lexington, KY USA
[7] Mayo Clin, Jacksonville, FL 32224 USA