[1] Johns Hopkins Univ Hosp, Dept Anesthesiol & Crit Care Med, Baltimore, MD 21287 USA
[2] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD 21205 USA
[3] Johns Hopkins Bloomberg Sch Publ Hlth, Johns Hopkins Evidence Based Practice Ctr, Dept Hlth Policy & Management, Baltimore, MD 21205 USA
[4] Architecture Design, Ellicott City, MD 21042 USA
[5] Johns Hopkins Univ Hosp, Dept Med Nursing, Baltimore, MD 21287 USA
[6] Med Coll Wisconsin, Div Surg Oncol, Milwaukee, WI 53226 USA
[7] Johns Hopkins Univ, Sch Med, William H Welch Med Lib, Baltimore, MD 21205 USA
[8] Johns Hopkins Univ, Dept Surg, Baltimore, MD 21287 USA