[1] Johns Hopkins Sidney Kimmel Canc Ctr, Baltimore, MD 21205 USA
[2] Johns Hopkins Univ Hosp, Baltimore, MD 21287 USA
[3] Amer Acad Hosp & Palliat Med, Chicago, IL USA
[4] Univ Rochester, Sch Nursing, Rochester, NY USA
[5] Univ S Florida, Coll Nursing, Tampa, FL USA
[6] Univ Iowa, Coll Nursing, Iowa City, IA 52242 USA
[7] Hosparus, Louisville, KY USA
[8] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA