Grabitz, M., Behrendt, S., Klotsche, J., Buehringer, G., Lieb, R., &Wittchen, H. U. (2012).Ten-year stability and variability, drinking patterns, and impairment in community youth with diagnostic orphan status of alcohol dependence. Addictive Behaviors, 37(4), 399-406. doi: 10.1016/j.addbeh.2011.11.031