[1] ICON Clin Res, San Francisco, CA USA
[2] Boston Univ, Sch Med, Boston, MA 02118 USA
[3] Duke Univ, Med Ctr, Durham, NC USA
[4] Univ Colorado, Hlth Sci Ctr, Aurora, CO USA
[5] Actel Pharmaceut, Allschwil, Switzerland
[6] Actel Pharmaceut US Inc, San Francisco, CA USA
[7] Mayo Clin, Rochester, MN USA