From the University of Texas Medical Branch, Galveston, Texas (KJO), the Child Development Center, Providence, Rhode Island (MEM), the Robert Warner Rehabilitation Center, Buffalo, New York (NL), the Children's Hospital of Buffalo, Buffalo, New York (LCD), the University of Queensland, Brisbane, Australia (JZ), and the State University of New York, Buffalo, New York (CVC, SB).
Reprints: All correspondence and requests for reprints should be addressed to Kenneth J. Ottenbacher, PhD, University of Texas Medical Branch, SAHS 4.202, 301 University Boulevard, Galveston, TX 77555-1028.
Disclosures: Supported by a grant from the Department of Health and Human Services, Health Resources and Services Administration, Maternal and Child Health Bureau (MCJ-360646).
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