1. Department of Nursing, St. Mary's Junior College of Medicine, Nursing and Management, Yilan 266, Taiwan, R.O.C.
2. Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C.
3. Holistic Education Center, Mackay Medical College, New Taipei City 252, Taiwan, R.O.C.
4. Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C.
5. Department of Life Science, National Taiwan University, Taipei 106, Taiwan, R.O.C.