- Correspondence to Peter Stephens, IMS HEALTH, 210 Pentonville Road, London, N1 9JY, UK and WHO Collaborating Centre for Pharmacoepidemiology and Pharmaceutical Policy Analysis, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht 3508 TB, The Netherlands;
- Received April 14, 2014
- Revised June 30, 2014
- Accepted July 15, 2014
- First published August 1, 2014.
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