router.get('/:activityId/attempts', function (req, res) {
        var username = req.headers['x-gleaner-user'];
        restUtils.processResponse(activities.isAuthorizedFor(req.params.activityId, username, 'get', '/activities/:activityId/attempts')
            .then(function (activity) {
                return activities.getAttempts(req.params.activityId);