[1] Univ Florida, Hayward Telegenet Ctr, Div Pediat Genet & Metab, Gainesville, FL USA
[2] Univ Connecticut, Sch Med, Pathol & Lab Med, Farmington, CT USA
[3] Univ Connecticut, Cent Connecticut Cyst Fibrosis Ctr, Connecticut Childrens Med Ctr, Div Pediat Pulm & Sleep Med,Sch Med, Farmington, CT 06032 USA