1. Faculty of Nursing, Khon Kaen University, Khon Kaen, Thailand
2. North-Eastern Stroke Research Group, Khon Kaen University, Khon Kaen, Thailand
3. College of Nursing, University of Illinois Chicago, Chicago, IL, USA
4. College of Medicine, University of Illinois Chicago, Chicago, IL, USA
5. School of Nursing, University of California Los Angeles, Los Angeles, CA, USA