Medina Sianturi,
Department of Nursing, STIKes Elisabeth, Semarang, Central Java, Indonesia,
Indonesia
Neni Susilaningsih,
Department of Histology, Faculty of Medicine, Diponegoro University, Semarang, Central Java, Indonesia,
Indonesia
Heri Nugroho,
Department of Internal Medicine, Faculty of Medicine, Diponegoro University, Semarang, Central Java, Indonesia,
Indonesia
Maria Suryani,
Department of Nursing, STIKes Elisabeth, Semarang, Central Java, Indonesia,
Indonesia