1. Department of Internal Medicine; College of Medicine; Taipei Medical University; Taipei Taiwan
2. Division of Hematology and Oncology; Department of Internal Medicine; Taipei Medical University Hospital; Taipei Taiwan
3. Department of Nursing; Armed Forces TaoYuan General Hospital; TaoYuan County; Taiwan
4. Graduate Institute of Nursing; College of Nursing; Taipei Medical University; Taipei Taiwan
5. School of Nursing; University of Michigan; Ann Arbor MI USA
6. School of Nursing; College of Nursing; Taipei Medical University; Taipei Taiwan