[1] Univ Arkansas Med Sci, Little Rock, AR USA
[2] Oregon Hlth & Sci Univ, Casey Eye Inst, Portland, OR USA
[3] St Louis Univ, St Louis, MO USA
[4] Cardinal Glennon Childrens Hosp, St Louis, MO USA
[5] Kraff Eye Inst, Chicago, IL USA
[6] Comprehens EyeCare Cent Ohio, Westerville, OH USA
[7] Ohio State Univ, Columbus, OH USA
[8] Northwestern Univ, Feinberg Sch Med, Chicago, IL USA
[9] Ann & Robert H Lurie Childrens Hosp, Chicago, IL USA
[10] Oregon Hlth & Sci Univ, Portland, OR USA
[11] 4301 W Markham St,576, Little Rock, AR 72205 USA