<prompt> Translate the following text to EnglishMsaada uliotolewa katika utafiti huo ulifanywa na wataalamu waliozoezwa katika ushauri wa kulevya au dawa za kulevya au katika mbinu za mahojiano ya kuhamasisha.  <response>: Most of the interventions described previously were conducted by specialists trained in alcohol or substance abuse counseling or in motivational interviewing techniques. 