Authors
Milawaty Nurjono
Center for Health Services and Policy Research, Saw Swee Hock School of Public Health, National University of Singapore
Joanne Yoong
Center for Health Services and Policy Research, Saw Swee Hock School of Public Health, National University of Singapore; Center for Economic and Social Research, University of Southern California, California, United States of America
Hubertus Johannes Maria Vrijhoef
Vrije Universiteit Brussels; Panaxea B.V., Amsterdam; Department of Patient and Care, University Hospital Maastricht, Netherlands
