[1] N Shore Univ Hosp, Manhasset, NY USA
[2] Royal Brisbane Hosp, Herston, Qld, Australia
[3] Univ N Carolina, Chapel Hill, NC 27515 USA
[4] Univ Toronto, Toronto, ON, Canada
[5] Scripps Clin, La Jolla, CA USA
[6] Univ Hosp, Frankfurt, Germany
[7] Prince Wales Hosp, Randwick, NSW 2031, Australia
[8] Georgetown Univ, Med Ctr, Fairfax, VA USA
[9] MEDTAP Int Inc, Bethesda, MD USA
[10] Hoffmann La Roche Inc, Nutley, NJ 07110 USA