Author contributions
T. Wu, C. K. Rayner, C. S. Marathe, K. L. Jones and M. Horowitz and were all involved in conception, design and writing of the manuscript. All authors have approved the publication of this final version of the manuscript.
Declaration of interest
T. Wu has received travel support from Novartis. C. K. Rayner has received research funding from AstraZeneca, Merck Sharp & Dohme, Eli Lilly, Novartis and Sanofi. K. L. Jones has received research funding from Sanofi, AstraZeneca and drug supplies from Merck Sharp & Dohme. MH has participated in advisory boards and/or symposia for Novo Nordisk, Sanofi, Novartis, Eli Lilly, Merck Sharp & Dohme, Boehringer Ingelheim, and AstraZeneca and has received honoraria for this activity. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.