1. Education nurse, Ajou University Hospital, Suwon, Korea.
2. Head nurse, Ajou University Hospital, Suwon, Korea.
3. Team Manager, Ajou University Hospital, Suwon, Korea.
4. Director of Nursing, Ajou University Hospital, Suwon, Korea.
5. Professor, College of Nursing, Ajou University, Suwon, Korea.