1. a School of Nursing, Universitas Gadjah Mada , Yogyakarta , Indonesia
2. b Department of Medical Surgical Nursing, Universitas Gadjah Mada , Yogyakarta , Indonesia
3. c The Sleman Health and Demographic Surveillance System, Universitas Gadjah Mada , Yogyakarta , Indonesia
4. d School of Nursing, College of Nursing, Taipei Medical University , Taipei , Taiwan , China