1. Center for Health and the Social Sciences, University of Chicago, 5841 S. Maryland Avenue, MC 1005, Suite M200, Chicago, IL 60637, USA,
2. College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia,
3. Averting Maternal Death and Disability, Mailman School of Public Health, Columbia University, 722 West 168th St. New York, NY 10032, USA,
4. Azim Premji University, PES Campus, Pixel Park, B Block, Electronics City, Hosur Road, Bengaluru 560100, Karnataka, India,
5. Center for the Study of Equity and Governance in Health Systems, 11 Calle 0-48 Zona 10, Edificio Diamond, Oficina 504. Guatemala City, Guatemala and
6. Area of Finance and Strategy, T. A. Pai Management Institute, Badagabettu Road, Manipal, Karnataka 576104, India
7. Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA