1. Department of Nursing, College of Medicine, Chosun University, Pilmun-Daero 309, Dong-Gu, Gwangju 61452, Jeollanam-do, Republic of Korea
2. College of Nursing, Research Institute of Nursing Science, Hallym University, Hallymdaehakgil 1, Chuncheon 24252, Gangwon-do, Republic of Korea