Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health, Hong Kong Polytechnic University - School of Nursing, Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health, Peking University - Department of Maternal and Child Health and Peking University - Department of Maternal and Child Health

The Chinese University of Hong Kong, The Chinese University of Hong Kong, The Chinese University of Hong Kong (CUHK), Hong Kong Polytechnic University, Hong Kong Polytechnic University, Jiaxing University, Hong Kong Polytechnic University, Zhejiang University and Hong Kong Polytechnic University - School of Nursing