Reference
Kaartina S, Chin YS, Fara Wahida R, Woon FC, Hiew CC, Zalilah MS, Mohd Nasir MT. Adolescent self-report and parent proxy-report of health-related quality of life: an analysis of validity and reliability of PedsQL™ 4.0 among a sample of Malaysian adolescents and their parents. Health and Quality of Life Outcomes (2015) 13:44.