1. Lecturer, Nursing Programme Study Universitas Kusuma Husada Surakarta, Indonesia.
2. Lecturer, Nursing Programme Study Universitas Respati Yogyakarta, Indonesia.
3. Postgraduate Student, Magister Nursing Programme Study Universitas Muhammadiyah Jakarta, Indonesia.
4. Lecturer, Nursing Programme Study Poltekkes Kemenkes Semarang, Indonesia.