1. Department of Family Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
2. Oncology Division, Department of Internal Medicine, Gyeongsang National University College of Medicine, Jinju, Korea
3. Department of Medical Social Services Team, Korea University Anam Hospital, Seoul, Korea
4. Department of Internal Medicine, Bobath Memorial Hospital, Seongnam, Korea
5. Department of Nursing, Korea National University of Transportation, Jeungpyeong, Korea
6. Department of Family Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
7. Oncology Division, Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea