[1] Univ Alabama Birmingham, Birmingham, AL USA
[2] Vituity, Wichita, KS USA
[3] Indiana Univ Sch Med, Indianapolis, IN USA
[4] Baylor Coll Med, Houston, TX USA
[5] UCLA, David Geffen Sch Med, La Puente, CA USA
[6] Univ Wisconsin Hosp & Clin, Madison, WI USA
[7] Loma Linda Univ, Loma Linda, CA USA
[8] Univ Chicago, Chicago, IL USA
[9] UT Southwestern Med Ctr, Dallas, TX USA
[10] Emory Univ, Sch Med, Atlanta, GA USA
[11] Stanford Sch Med, Palo Alto, CA USA
[12] Childrens Hosp Philadelphia, Philadelphia, PA USA
[13] NYU Langone, Hassenfeld Childrens Hosp, Brooklyn, NY USA
[14] Univ Illinois, Coll Med Peoria, Peoria, IL USA
[15] Seattle Childrens Hosp, Seattle, WA USA
[16] UT Hlth, McGovern Med Sch, Houston, UT USA
[17] Texas Childrens Hosp, Baylor Coll Med, Houston, TX USA
[18] Univ Minnesota, Minneapolis, MN USA
[19] Mt Sinai Kravis Childrens Hosp, New York, NY USA
[20] Ohio State Univ, Nationwide Childrens Hosp, Columbus, OH USA