[1] Harvard Univ, Sch Med, Brigham & Womens Hosp, Dept Med, Boston, MA 02115 USA
[2] Harvard Univ, Sch Med, Brigham & Womens Hosp, Div Rheumatol Immunol & Allergy, Boston, MA 02115 USA
[3] Kyoto Univ, Dept Cell & Dev Biol, Grad Sch Biostudies, Sakyo Ku, Kyoto 6068501, Japan
[4] RIKEN, Ctr Dev Biol, Chuo Ku, Kobe, Hyogo 6500047, Japan