Assessing anxiety among adolescents in Hong Kong: psychometric properties and validity of the Generalised Anxiety Disorder-7 (GAD-7) in an epidemiological community sample. - Ip, Hang; Suen, Yi Nam; Hui, Christy Lai Ming; Wong, Stephanie Ming Yin; Chan, Sherry Kit Wa; Lee, Edwin Ho Ming; Wong, Michael Tak Hing; Chen, Eric Yu Hai (BMC Psychiatry, 2022)