1. Department of Internal Medicine, Inje University, Ilsan Paik Hospital, Goyang, Republic of Korea.
2. Department of Internal Medicine, Hallym University College of Medicine, Seoul, Republic of Korea.
3. Department of Internal Medicine, Sung Ae Hospital, Seoul, Republic of Korea.
4. Department of Nutrition, Chung-Ang University Hospital, Seoul, Republic of Korea.
5. Department of Nutrition, National Medical Center, Seoul, Republic of Korea.
6. Department of Nutrition, Kyunghee University Medical Center, Seoul, Republic of Korea.
7. Department of Nutrition, Samsung Medical Center, Seoul, Republic of Korea.
8. Nursing Department, Inje University, Seoul Paik Hospital, Hallym University College of Medicine, Seoul, Republic of Korea.
9. Nursing Department, Seoul National University Hospital, Hallym University College of Medicine, Seoul, Republic of Korea.
10. Nursing Department, Asan Medical Center, Seoul, Republic of Korea.
11. School of Nursing, University of Texas Medical Branch, Galveston, Texas.
12. Department of Social Welfare, Cheongju University, Cheongju, Republic of Korea.
13. Department of Social Work, Hallym University Sacred Heart Hospital, Seoul, Republic of Korea.