Julie M Zito1
, Albert T Derivan2
, Christopher J Kratochvil3
, Daniel J Safer4
, Joerg M Fegert5
and Laurence L Greenhill6 
1
Pharmaceutical Health Services Research, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
2
Psychiatry and Human Behavior, Thomas Jefferson University School of Medicine, Philadelphia, Pennsylvania, USA
3
Psychopharmacology Research Center, University of Nebraska Medical Center, Omaha, Nebraska, USA
4
Department of Psychiatry, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
5
Department of Child and Adolescent Psychiatry/Psychotherapy, University Hospital Ulm, Germany
6
Department of Psychiatry, Columbia University Medical Center, New York, New York, USA