Ferrero, Enrico http://orcid.org/0000-0002-8362-100X
Agarwal, Pankaj http://orcid.org/0000-0002-4165-9990
Article History
Received: 26 October 2017
Accepted: 14 May 2018
First Online: 31 May 2018
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: Not applicable
: EF and PA are full-time employees of GSK (GlaxoSmithKline).
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