“…sample sizes (b500 subjects; Baldwin et al, 1993;Lange & Schacter, 1989;Marik & Mohedin, 1996;Stein, 1994;Wallerstedt, Denison, Sandstrom, & Westin, 1995) and crosssectional data of short duration (from days to months; John, Rumpf, & Hapke, 1999;Lange & Schacter, 1989;Marik & Mohedin, 1996;Orford, Somers, Daniels, & Kirby, 1992;Taylor, Kilbane, Passmore, & Davies, 1986), limited mostly to alcohol consumption and not illicit drug use and usually derived from only one clinical department (medicine or psychiatry).…”