Of the Creed sent by the Eastern Bishops to those in Italy, called the Lengthy Creed
After the lapse of about three years from the events above recorded, the Eastern bishops again assembled a Synod, and having composed another form of faith, they transmitted it to those in Italy by the hands of Eudoxius, at that time bishop of Germanicia, and Martyrius, and Macedonius, who was bishop of Mopsuestia in Cilicia. This expression of the Creed, being written in more lengthy form, contained many additions to those which had preceded it, and was set forth in these words:
Source: Ecclesiastical History (New Advent)