[1] Univ Med Ctr Hamburg Eppendorf, Hamburg, Germany
[2] George Washington Univ, Sch Med & Hlth Sci, Washington, DC USA
[3] Univ Med Ctr Utrecht, Utrecht, Netherlands
[4] Aarhus Univ Hosp, Aarhus, Denmark
[5] Univ Rochester, Med Ctr, Rochester, NY USA
[6] Papp Clin Res & Prob Med Res, Waterloo, ON, Canada
[7] Pfizer R&D UK Ltd, Sandwich, Kent, England
[8] Pfizer Inc, Groton, CT USA
[9] Pfizer Ltd, Tadworth, Surrey, England
[10] Pfizer Corp Austria GmbH, Vienna, Austria