[1] Univ Nebraska Med Ctr, Coll Nursing, Omaha, NE 68198 USA
[2] Nebraska Methodist Hosp, Omaha, NE USA
[3] Nebraska Methodist Hlth Syst, Omaha, NE USA
[4] Winona State Univ, Coll Nursing & Hlth Sci, Rochester, MN USA
[5] Univ N Carolina, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC USA
[6] Intens Care & Resp Therapy, Geneva, NY USA
[7] Finger Lakes Hlth, Geneva, NY USA
[8] Genesis Med Ctr, Davenport, IA USA
[9] Univ Iowa, Coll Nursing, Ctr Nursing Classificat & Clin Effectiveness, Iowa City, IA 52242 USA