1. Georgia Baptist College of Nursing, Mercer University, Atlanta, GA, USA
2. Division of Cardiology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon, South Korea
3. Gachon University Gil Medical Center, Incheon, South Korea
4. Escola Paulista de Enfermagem, Universidade Federal de São Paulo, São Paulo, SP, Brazil
5. College of Nursing, Gachon University, Incheon, South Korea