Nik Hassan, Nik Hasmumthaj, Centre for Nursing Studies, Faculty of Health Sciences, Universiti Teknologi MARA, UiTM Selangor, Puncak Alam Campus, 42300 Selangor, Malaysia; Nursing Department, Universiti Malaya Medical Centre, Lembah Pantai, 59100 Kuala Lumpur, Malaysia, Malaysia