1. School of Nursing, Guizhou Medical University, The affiliated hospital of Guizhou Medical University, Guiyang, Guizhou, China
2. School of Nursing, Guizhou Medical University, Guiyang, Guizhou, China
3. Trudy Busch Valentine School of Nursing, Saint Louis University, MO, USA
4. School of Nursing, Mae Fah Luang University, Chiang Rai, Thailand