Original: The prayer is also used by Anglicans as well as by many other groups within the Western Catholic tradition of Christianity. A somewhat different form of the prayer that omits the explicit request for intercession is used in the Eastern Orthodox and Oriental Orthodox churches and other groups of Eastern Christianity.
Simplified: The prayer is also used by the Eastern Orthodox and Oriental Orthodox as well as by many other groups within the Catholic tradition of Christianity including Anglicans, Independent Catholics, and Old Catholics.