This site is best viewed in Firefox 28.0 or higher, Opera 20.0 or higher, Internet Explorer 10 or higher, and Safari 5.0 or higher. You may see some minor design gremlins with Chrome/certain screen sizes.
Confirming your vote seems to be taking a while. There might be connection issues, even if your vote was actually recorded. You can reload the page
to see if it was.
Optimist, sceptic, head of research at The BMJ, editor-in-chief BMJ Open.