[1] CHU Lille, Hop Claude Huriez, F-59037 Lille, France
[2] Mayo Clin, Rochester, MN USA
[3] Univ Hosp Gathuisberg, Louvain, Belgium
[4] Univ British Columbia, St Pauls Hosp, Vancouver, BC V5Z 1M9, Canada
[5] Univ Chicago, Chicago, IL 60637 USA
[6] Univ Calgary, Calgary, AB, Canada
[7] Univ Kiel, Kiel, Germany
[8] Abbott, Parsippany, NJ USA