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;

Influence of intra- and extrauterine factors on infant sleep in the first 6 months of life Bianca Zandoná; Salete Matos; Juliana Rombaldi Bernardi; Marcelo Zubaran Goldani; Renata Rocha Kieling; Clécio Homrich da Silva;

Longitudinal study of sleep behavior and motor development in low-birth-weight preterm children from infancy to preschool years Sonia Manacero; Magda Lahorgue Nunes;