[1] Behavioral Epidemiology,Division of Psychiatry
[2] RTI International,Centre for Interdisciplinary Addiction Research
[3] Lund University,undefined
[4] University of Valencia,undefined
[5] Hospital Universitario,undefined
[6] University Medical Centre Hamburg-Eppendorf Martinistrasse,undefined
[7] Statistical Sciences,undefined
[8] RTI International,undefined
[9] Shire,undefined
[10] Lund University,undefined
[11] Faculty of Medicine,undefined
[12] Department of Clinical Sciences Lund,undefined
[13] Psychiatry,undefined