Journal Article Review grid computing prenatal diagnosis N2-N2 collisions Research Support, Non-U.S. Gov't borderline ovarian tumor carbon dioxide congenital high airway obstruction data formats diagnosis diagnostic ultrasound fertility sparing surgery intermolecular interactions intermolecular potentials molecular dynamics prognosis program interoperability quantum chemistry quantum dynamics quasiclassical and semiclassical calculations state-to-state energy transfer vibrational energy exchange