[1] Flushing Hosp Med Ctr, Dept Pediat, Queens, NY USA
[2] Childrens Hosp Montefiore, Albert Einstein Coll Med, Dept Pediat, Div Neonatol, Bronx, NY 10467 USA
[3] Childrens Hosp Michigan, Dept Pediat, Div Neonatol, Detroit, MI USA
[4] Albert Einstein Coll Med, Dept Epidemiol & Populat Hlth, Bronx, NY USA
[5] Albert Einstein Coll Med, Dept Family & Social Med, Bronx, NY USA
[6] Albert Einstein Coll Med, Dept Obstet & Gynecol & Womens Hlth, Bronx, NY USA
[7] Albert Einstein Coll Med, Dept Pediat, Div Adolescent Med, Bronx, NY USA
[8] Albert Einstein Coll Med, Dept Biochem, Bronx, NY USA
[9] Albert Einstein Coll Med, Dept Med, Div Endocrinol, Bronx, NY USA