After a petition to adopt has been filed, the clerk of the superior court shall set a time and place for a hearing by the court. Notice shall be as provided for the service of process in civil actions to:
1. The petitioner.
2. The agency, if any.
3. The person or agency conducting the social study required by section 8-112.
4. Any person or agency required to give consent by section 8-106 unless consent with a waiver of notice of hearing has been filed before the hearing.
5. Any person who has initiated a paternity action pursuant to title 25, chapter 6, article 1.