[1] St Louis Univ, St Louis, MO USA
[2] Univ Sheffield, Sheffield S10 2TN, S Yorkshire, England
[3] Natl Jewish Hlth, Denver, CO USA
[4] Aarhus Univ Hosp, Aarhus, Denmark
[5] Oregon Hlth & Sci Univ, Portland, OR USA
[6] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[7] Regeneron, Tarrytown, NY USA
[8] Sanofi, Paris, France