1. World Health Organization (WHO) Collaborating Centre for Pharmaceutical Pricing and Reimbursement Policies, Gesundheit Österreich GmbH, Stubenring 6, 1010, Vienna, Austria.
2. WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Utrecht Institute for Pharmaceutical Sciences, Utrecht, Netherlands.
3. IMS Institute for Healthcare Informatics, Philadelphia, United States of America (USA).
4. Department of Essential Medicines and Pharmaceutical Policies, World Health Organization, Geneva, Switzerland.
5. Department of Population Medicine, Harvard Medical School, Boston, USA.