Declaration of interest
M E Cooper has received honorarium from companies making anti-diabetic drugs including AstraZeneca, Novo Nordisk, Boehringer Ingelheim, and Eli Lilly. 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.
Reviewer disclosures
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.