[1] St Josephs Med Ctr, Clin Res Acad Affairs, Stockton, CA 95204 USA
[2] St Josephs Med Ctr, Stockton, CA USA
[3] Univ Pittsburgh, Dept Acute & Tertiary Care Nursing, Pittsburgh, PA 15260 USA
[4] Strong Mem Hosp, Clin Nursing Res, Rochester, NY USA
[5] Univ Calif San Francisco, Dept Physiol Nursing, San Francisco, CA USA