Previously validated questionnaires were also used, such as the Cut down/Annoyed/Guilty/Eye-opener CAGE and Self-Report Questionnaire-20 SRQ-20.
También fueron usados cuestionarios ya validados, como el Cut down/Annoyed/Guilty/Eye-opener CAGE y el Self-Report Questionnaire-20 SRQ-20.
Foram também usados questionários já validados, como o Cut down/Annoyed/Guilty/Eye-opener CAGE e o Self-Report Questionnaire-20 SRQ-20.