[1] Univ Illinois, Coll Pharm, Dept Med Chem & Pharmacognosy, Chicago, IL 60680 USA
[2] Harvard Univ, McLean Hosp, Sch Med, Belmont, MA 02178 USA
[3] Univ Maryland, Sch Med, Ctr Integrat Med, James Kernan Hosp Mans, Baltimore, MD 21201 USA
[4] Univ Maryland, Sch Med, Dept Microbiol & Immunol, Baltimore, MD 21201 USA