[1] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[2] Univ Miami, Miami, FL 33152 USA
[3] Bach & Godofsky, Bradenton, FL USA
[4] Fdn Invest Diego, Santurce, PR USA
[5] St Lukes Episcopal Hosp, Houston, TX 77030 USA
[6] Scripps Clin, La Jolla, CA USA
[7] Alamo Med Res, San Antonio, TX USA
[8] Calif Pacific Med Ctr, San Francisco, CA USA
[9] Metropolitan Res, Fairfax, VA USA
[10] Univ Cincinnati, Med Ctr, Cincinnati, OH USA
[11] Cornell Univ, Weill Med Coll, New York, NY USA
[12] Idenix Pharmaceut, Cambridge, MA USA
[13] Johns Hopkins Univ, Sch Med, Baltimore, MD USA