Development of a YouthFit Index to assess health-related quality of life in Hong Kong children Ka-man Yip; Hung-kwan So; Andy C.Y. Tse; Winnie W.Y. Tso; Parco M.F. Siu; Ian C.K. Wong; Jason C. Yam; Mike Y.W. Kwan; Lobo H.T. Louie; Wilfred H.S. Wong; Patrick Ip;

Sleep quality among parents and their children during COVID-19 pandemic Luis Eduardo Wearick-Silva; Samanta Andresa Richter; Thiago Wendt Viola; Magda Lahorgue Nunes;

Determinants of infant sleep: a call for precise measurement and mechanisms of influence Douglas Michael Teti;