[1] West Virginia Univ, Sch Nursing, 1 Med Ctr Dr,POB 9600, Morgantown, WV 26506 USA
[2] Univ Kansas Hosp, Dept Nursing, 4000 Cambridge St,Mail Stop 2018, Kansas City, KS 66160 USA
[3] Univ Kansas Hosp, Ctr Adv Heart Failure & Transplantat, 3901 Rainbow Blvd,Mail Stop 4023, Kansas City, KS 66160 USA
[4] Univ Kansas, Univ Kansas Sch Prevent Med, Sch Nursing, 3901 Rainbow Blvd,Mail Stop 4043, Kansas City, KS 66160 USA