[1] Hong Kong Polytech Univ, Dept Food Sci & Nutr, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Fac Med, Dept Paediat, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Fac Med, Nethersole Sch Nursing, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Fac Med, Dept Obstet & Gynaecol, Hong Kong, Peoples R China
[5] Baby Friendly Hosp Initiat, Hong Kong Assoc, Hong Kong, Peoples R China
[6] Chinese Univ Hong Kong Shenzhen, Sch Med, Shenzhen, Guangdong, Peoples R China
[7] Prince Wales Hosp, Shatin, 6-F Lui Chi Woo Clin Sci Bldg, Hong Kong, Peoples R China