Janet Purath -
College of Nursing, Washington State University, P.O. Box 1495, Spokane, WA 99210, USA
Catherine Van Son -
College of Nursing, Washington State University, P.O. Box 1495, Spokane, WA 99210, USA
Cynthia F Corbett -
College of Nursing, Washington State University, P.O. Box 1495, Spokane, WA 99210, USA