Myo Nyein Aung1, Chengshi Shiu2, Wei-Ti Chen3. 1. Advanced Research Institute for Health Sciences and Faculty of International Liberal Arts, Juntendo University, Tokyo, Japan. 2. Department of Social Work, National Taiwan University, Taipei, Taiwan; UCLA School of Nursing, Los Angeles, CA 90095, USA. 3. UCLA School of Nursing, Los Angeles, CA 90095, USA. Electronic address: wchen@sonnet.ucla.edu.