[1] Univ Calif San Diego, Sch Med, Dept Pediat, Collaborat Halt Antibiot Resistant Microbes, La Jolla, CA 92093 USA
[2] Childrens Hosp Philadelphia, Dept Pediat, Div Infect Dis, Philadelphia, PA 19104 USA
[3] Univ Texas Hlth Sci Ctr Houston, McGovern Med Sch, Dept Internal Med, Div Infect Dis, Houston, TX 77030 USA
[4] Univ Texas Hlth Sci Ctr Houston, Ctr Antimicrobial Resistance & Microbial Genom, McGovern Med Sch, Houston, TX 77030 USA
[5] Sharp Mem Hosp & Rehabil Ctr, San Diego, CA USA
[6] Sharp Grossmont Hosp, La Mesa, CA USA
[7] Univ Calif San Diego, Skaggs Sch Pharm, La Jolla, CA 92093 USA