CDB - Prebid - Multisize

pbjs.que.push(function() {
  var adUnits = [{
    code: "div-gpt-ad-1438287399331-0",
    sizes: [[728,90],[970,90],[970,250]],
    bids: [{
      bidder: "criteo",
      params: {
        zoneId: "112233" /* Criteo zoneid for the 728x90 */
      }
    },{
      bidder: "criteo",
      params: {
        zoneId: "112234" /* Criteo zoneid for the 970x90 */
      }
    },{
      bidder: "criteo",
      params: {
        zoneId: "112235" /* Criteo zoneid for the 970x250 */
      }
    }]
  }];
  pbjs.addAdUnits(adUnits);