The Karma system is currently undergoing maintenance (Monday, January 29, 2018).
The maintenance period has been extended to 8PM EST.

Karma Credits will not be available for redeeming during maintenance.
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We plan to expand JMIR into a ehealth research portal, strive to improve our services and website, and the journal itself. To help us serve our readers and authors better, please fill in our survey at and tell us what you like and what you dislike about JMIR and the website, and let us know which of the features we plan to implement have the highest priority for you.