Granted support by Ramathibodi School of Nursing, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Priest Hospital, Bangkok, Thailand.
Jenjira Wanna, RN,MNS ; Sangthong Terathongkum, RN,PhD,Dip.ACNP ; Varaporn Thipsuwannakool, RN,PhD