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;

Prevalence of excessive screen time in hospitalized pediatric patients Guilherme Hoff Affeldt; Gleice Medeiros; Vanessa Vieira; Bruna Ziegler;

Effectiveness of pneumococcal conjugate 13-valent vaccine against severe pneumonia in Panama: a matched case-control study JacquelineLevy Z; Rodrigo DeAntonio; Xavier Sáez-Llorens;