aCenter for Addiction Research, Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School
bDepartment of Psychiatry and Psychotherapy, University Hospital of Erlangen
cInstitut für Biochemie, Emil-Fischer-Zentrum, Universität Erlangen-Nürnberg, Germany
Correspondence to Marc Andre Nicolas Muschler, Center for Addiction Research, Department for Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany Tel: +49 511 5327275; fax: +49 511 5327276; e-mail: firstname.lastname@example.org Marc Andre Nicolas Muschler and Annemarie Heberlein contributed equally to this study.
Received February 11, 2010
Accepted May 8, 2010