1 Centre of Global Health Economics, Faculty of International Public Health and Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK; Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. Electronic address: louis.niessen@lstmed.ac.uk.
2 Department of Health Sciences, University Medical Center, Groningen, Netherlands; Department of Pharmacology and Therapy, Universitas Airlangga, Surabaya, Indonesia; Center of Excellence for Pharmaceutical Care Innovation, Universitas Padjadjaran, Bandung, Indonesia.