1. Department of Social Work and Social Administration The University of Hong Kong Hong Kong China
2. National Research Institute for Family Planning Beijing China
3. Chengde Nursing Vocational College Chengde China
4. International Centre for Reproductive Health (ICRH) Department of Public Health and Primary Care Ghent University Ghent Belgium
5. School of Public Health Hebei Medical University Hebei China
6. The Centre of Excellence in Women and Child Health Aga Khan University Nairobi Kenya
7. School of Public Health Université Libre de Bruxelles Brussels Belgium
8. Research Centre for Public Health Tsinghua University Beijing China