1. Consultant, The Paediatric Department; Viborg Regional Hospital; Central Jutland Denmark
2. Assistant Professor, Section for Paediatric Dentistry; Department of Dentistry; Aarhus University; Denmark
3. Department of Specialised Oral Health Care; Viborg Regional Hospital; Central Jutland Denmark
4. Research Librarian, Aarhus University Library Health Sciences; Aarhus University; Denmark
5. Chief dentist, Department of Specialised Oral Health Care; Viborg Regional Hospital; Central Jutland Denmark
6. Professor, Section for Paediatric Dentistry, Department of Dentistry; Aarhus University; Denmark