1. Novametrics Ltd, Duffield, Derbyshire, UK
2. International Confederation of Midwives, The Hague, Netherlands
3. Swiss Centre for International Health, Swiss Tropical and Public Health Institute, Basel Switzerland and University of Basel, Basel, Switzerland
4. Centre for Midwifery, Child and Family Health, Faculty of Health, University of Technology Sydney, Sydney, Australia
5. Department of Education and Training, Swiss Tropical and Public Health Institute, Basel Switzerland and University of Basel, Basel, Switzerland