1. University of Virginia School of Nursing, Charlottesville, Virginia, USA;
2. Carilion Roanoke Memorial Hospital, Palliative Medicine Clinical Nurse Specialist, Roanoke, Virginia, USA;
3. School of Nursing, University of Virginia School of Nursing, Senior Lecturer Faculty of Nursing, Prince of Songkla University, Hatyai, Songkhla, Thailand;
4. Department of Biostatistics, One Capital Square, Virginia Commonwealth University, Richmond, Virginia, USA;
5. School of Nursing, Virginia Commonwealth University, Richmond, Virginia, USA