title: Guest Editor's Concluding Remarks-Advances in Usage of ANN, Discussion of an Unsolved Problem, and Some Differences between Papers Written by Engineers and by Physicians.
authors.affiliation: Harvard Medical School, Children's Hospital, Karp Family Research Labs 12, 300 Longwood Ave., Boston, MA 02115, USA; E-Mail:  michael.retsky@gmail.com.
authors.forename: Michael W
authors.initials: MW
authors.lastname: Retsky