[1] Barnes Jewish Hosp, Cardiac Intens Care Unit, 1 Barnes Jewish Plaza, St Louis, MO 63110 USA
[2] Univ Calif San Diego, Dept Psychiat, Sch Med, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Sch Med, Dept Vet Affairs, Fresno, CA USA
[4] Northeastern Univ, Sch Nursing, Bouve Coll Hlth Sci, Boston, MA 02115 USA
[5] Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, San Diego, CA 92103 USA
[6] Univ Calif San Diego Hlth, San Diego, CA USA