[1] Pharmerit Int, Bethesda, MD USA
[2] Washington Hosp Ctr, Washington, DC 20010 USA
[3] Hop La Pitie Salpetriere, Paris, France
[4] Winthrop Univ Hosp, Mineola, NY 11501 USA
[5] Sunnybrook Hlth Sci Ctr, Toronto, ON M4N 3M5, Canada
[6] Pfizer Inc, Collegeville, PA USA
[7] Pfizer PIO, Paris, France
[8] Univ Dundee, Ninewells Hosp & Med Sch, Dundee DD1 9SY, Scotland