[1] Klinikum Stadt Ludwigshafen, Ludwigshafen, Germany
[2] Hosp Clin Univ, Santiago De Compostela, Spain
[3] CHU Rangueil, F-31054 Toulouse, France
[4] St Michaels Hosp, Toronto, ON M5B 1W8, Canada
[5] Danderyds Sjukhus, Stockholm, Sweden
[6] Sydvetjysk Sygehus, Esbjerg, Denmark
[7] Ullevaal Univ Hosp, Oslo, Norway
[8] Landeskrankenhaus, Feldkirch, Austria
[9] St James Hosp, Dublin, Ireland
[10] Hosp Santa Marta, Lisbon, Portugal
[11] Charing Cross Hosp, London, England
[12] Merck & Co Inc, Paris, France
[13] MSD SHARP & DOHME GMBH, Haar, Germany
[14] Univ Amsterdam, Acad Med Ctr, NL-1105 AZ Amsterdam, Netherlands