[1] Univ Miami, Med, Miami, FL USA
[2] Wake Forest Sch Med, Biostat Sci, Winston Salem, NC 27101 USA
[3] Wake Forest Sch Med, Med, Winston Salem, NC 27101 USA
[4] Georgetown Univ, Med, Washington, DC USA
[5] Rutgers Robert Wood Johnson Med Sch, Cardiovasc Inst, New Brunswick, NJ USA
[6] Med Univ South Carolina, Med, Charleston, SC 29425 USA
[7] Ralph H Johnson VA Med Ctr, Charleston, SC USA
[8] Univ Kentucky, Med, Lexington, KY USA
[9] Emory Univ, Sch Med, Med, Atlanta, GA USA
[10] Med Univ South Carolina, Med, Charleston, SC 29425 USA
[11] Univ Utah, Primary Care Rsch Network, Family & Prevent Med, Salt Lake City, UT USA
[12] Geisinger Med Ctr, Surg, Danville, PA 17822 USA
[13] Memphis Vet Affairs Med Ctr, Med, Memphis, TN USA