async.parallel multiple sequelize queries

parallelQueries.js

  async.parallel({
    card_count: function (cb) {
      db
        .Card
        .findAll({
          where: {course_id: 'some id'}
        })
        .then(function (results) {
          var t = [];
          results.forEach(function (result) {
            var e = {};
            e['name'] = result.name;
            e['order_code'] = result.order_code;
            t.push(e);
          })
          cb(null, t);
        });
    },
    pack_count: function (cb) {
      db
        .Pack
        .findAll({
          where: {course_id: 'some other id'}
        })
        .then(function (results) {
          var s = [];
          results.forEach(function (result) {
            var e = {};
            e['name'] = result.name;
            e['order_code'] = result.order_code;
            s.push(e);
          })
          cb(null, s); 
        });
    }
  }, function (err, results) {
    var card_count = results.card_count;
    var pack_count = results.pack_count;
    // results is now { "card_count": t, "pack_count": s }
  });