Erratum: Davis G, Surratt H, Levin F, et al. Antiretroviral medication: an emerging category of prescription drug misuse. Am J Addict. 2013. doi: 10.1111/j.1521-0391.2013.12107.x. .

Page 2 states the following:“Whoonga, as it is locally known, is thought to be a mixture of the NNRTI efavirenz with various quantities of cannabis, cocaine, or heroin, and it is reportedly being smoked by children as young as 14 years old” supported by the reference Sparks C. Addictive drug threatens the future of South African youth. March 15, 2011; http://mediaglobal.org/2011/03/15/addictive-drug-threatens-the-future-of-south-african-youth/. (Accessed October 25, 2011). The phrase “as young as 14 years old” is correctly supported by the following reference:Mdluli, A., Ward, B, 2010. Whoonga drug spreads rapidly. The Mercury (http://www.highbeam.com/doc/1G1-229534982.html).