[1] Washington Univ, St Louis, MO 63110 USA
[2] Duke Univ, Sch Med, Durham, NC 27706 USA
[3] AARA Res Ctr, Dallas, TX USA
[4] Vital Prospects Clin Res Inst PC, Tulsa, OK USA
[5] South Bend Clin Ctr Res, Allergy & Immunol, South Bend, IN USA
[6] Grifols, Barcelona, Spain
[7] Good Samaritan Hosp, Phoenix, AZ USA