“…Their focus was on children with specific communication disorders, such as speech impairment, hearing loss, and stuttering. They had a quantitative approach using common questionnaires, including the 36-item short-form health survey (SF-36), the WHO QoL-BREF (WHOQOL-BREF), and the 12-item short-form health survey (SF-12) [1,5,12,15,23,24]. Allik et al [12] investigated parents' QoL of children with autism and Asperger using the SF-12 questionnaire.…”