1. Agrawal S, Lask B. Pediatric Health. 2009;3:209–121.
2. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, 4th edition (DSM-IV). Washington: American Psychiatric Association; 1994.
3. Bayless JD, Kanz JE, Moser DJ, McDowell BD, Bowers WA, Andersen AD, Paulsen JS. Ann Clin Psychiatry. 2002;14:203–7.
4. Beato-Fernandez L, Rodriguez-Cano T, Garcia-Vilches I, Garcia-Vicente A, Poblete-Garcia V, Castrejon AS, Toro J. Psychiatry Res. 2009;171:129–37.
5. Braun CMJ, Chouinard M-J. Neuropsychol Rev. 1992;3:171–212.