Original sentence: Greek Old Calendarists (Greek: Έλληνες Ορθόδοξοι Παλαιοημερολογίτες), also known as "Genuine Orthodox Christians" (GOC; Γνήσιοι Ορθόδοξοι Χριστιανοί), are groups of Old Calendarist Orthodox Christians that remained committed to the traditional Orthodox practice and are not in communion with many other Orthodox churches such as the Orthodox Church of Greece, the Patriarchate of Constantinople, or the Church of Cyprus
Edited sentence: Greek Old Calendarists (Greek: Έλληνες Ορθόδοξοι Παλαιοημερολογίτες), also Genuine Orthodox Christians (GOC; Γνήσιοι Ορθόδοξοι Χριστιανοί), are groups of Old Calendarist Orthodox Christians that remained committed to the traditional Orthodox practice and are not in communion with many other Orthodox churches such as the Orthodox Church of Greece, the Patriarchate of Constantinople, or the Church of Cyprus