[1] Univ Texas Southwestern Med Ctr Dallas, Med, Dallas, TX 75390 USA
[2] Stanford Univ, Med Ctr, Palo Alto, CA 94304 USA
[3] Regeneron Pharmaceut Inc, Clin Sci, 777 Old Saw Mill River Rd, Tarrytown, NY 10591 USA
[4] Regeneron Pharmaceut Inc, 777 Old Saw Mill River Rd, Tarrytown, NY 10591 USA
[5] Sanofi Genzyme, Cambridge, MA USA
[6] Sanofi Genzyme, Bridgewater, NJ USA
[7] Leiden Univ, Med Ctr, Leiden, Netherlands