1. College of Nursing, The Research Institute of Nursing Science; Seoul National University; Seoul South Korea
2. Nursing Department, College of Health Sciences; Cheongju University; Cheongju South Korea
3. College of Nursing; Jeju National University; Jeju South Korea
4. College of Nursing; Seoul National University; Seoul South Korea
5. Department of Nursing; College of Natural Sciences, Korea National Open University; Seoul South Korea