[1] Yale Univ, Sch Med, New Haven, CT USA
[2] Univ Penn, Childrens Hosp Philadelphia, Perelman Sch Med, Philadelphia, PA USA
[3] Stanford Univ, Sch Med, Stanford, CA USA
[4] Univ Missouri, Sch Med, Kansas City, MO USA
[5] Boston Childrens Hosp, Boston, MA USA
[6] Harvard Med Sch, Boston, MA USA
[7] Zucker Sch Med Hofstra Northwell, Cohen Childrens Med Ctr, Queens, NY USA
[8] Univ Rochester, Med Ctr, Rochester, NY USA
[9] Univ Colorado, Sch Med, Aurora, CO USA
[10] Tufts Childrens Hosp, Boston, MA USA
[11] Univ Arkansas Med Sci, Little Rock, AR USA
[12] Emory Univ, Atlanta, GA USA
[13] Childrens Healthcare Atlanta, Atlanta, GA USA
[14] Univ Utah, Sch Med, Salt Lake City, UT USA
[15] Brown Univ, Warren Alpert Med Sch, Providence, RI USA
[16] Univ Alabama Birmingham, Birmingham, AL USA
[17] Texas Childrens Hosp, Baylor Coll Med, Houston, TX USA
[18] Ohio State Univ, Coll Med, Columbus, OH USA
[19] Med Coll Wisconsin, Milwaukee, WI USA
[20] Duke Univ, Med Ctr, Durham, NC USA
[21] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Philadelphia, PA USA
[22] Amer Board Pediat Inc, Chapel Hill, NC USA
[23] Univ Illinois, Coll Med Chicago, Chicago, IL USA
[24] Harbor UCLA Med Ctr, Torrance, CA USA
[25] Lundquist Inst Biomed Innovat, Torrance, CA USA
[26] Yale Univ, Sch Med, Dept Pediat & Emergency Med, Sect Emergency Med, 100 York St,Suite 1F, New Haven, CT 06510 USA