The corresponding task force was open to anyone who could make a scientific contribution to understanding in this area. The task force had representation from a wide range of clinical and scientific specialties. Submissions were sought from the society's 1000 members, which include scientists, pathologists, obstetricians, neonatalogists, midwives, neonatal nurses, and epidemiologists. International contributions were sought from those identified from the current literature as contributing to this area through peer reviewed research. They were not preselected for their views, and they were invited to join the corresponding task force Some international members joined later in the discussion process as word of this open debate reached them.