[1] Univ Washington, Dept Urol, Seattle Childrens, 4800 Sand Point Way NE,M-S OA 9-220, Seattle, WA 98105 USA
[2] Univ Washington, Dept Gen Surg, Seattle Childrens, Seattle, WA 98195 USA
[3] Childrens Healthcare Atlanta, Atlanta, GA USA
[4] Cinncinati Childrens Hosp, Cincinnati, OH USA
[5] Med Coll Wisconsin, Childrens Hosp Wisconsin, Milwaukee, WI 53226 USA
[6] Childrens Mercy Kansas City, Kansas City, MO USA
[7] CS Mott Childrens Michigan, Ann Arbor, MI USA
[8] Boys Town Natl Res Hosp, Boys Town, NE USA
[9] Nationwide Childrens Hosp, Dept Pediat Colorectal & Pelv Reconstruct Surg, Columbus, OH USA
[10] Primary Childrens Med Ctr, Salt Lake City, UT USA
[11] Phoenix Childrens Hosp, Phoenix, AZ USA
[12] Univ Utah, Dept Pediat, Salt Lake City, UT USA
[13] Boston Childrens Hosp, Boston, MA USA
[14] Univ Calif Davis, Sacramento, CA 95817 USA