[1] Univ Oxford, Oxford, England
[2] Natl Jewish Hlth, Denver, CO USA
[3] Univ Wisconsin, Sch Med & Publ Hlth, Madison, WI USA
[4] Autonomous Univ Barcelona, Corporacio Sanitaria Parc Tauli, Barcelona, Spain
[5] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[6] Sanofi, Bridgewater, MA USA