1. Universitätsklinikum des Saarlandes, Homburg, Germany
2. Boehringer Ingelheim, Ingelheim, Germany
3. University of Cape Town, Cape Town, South Africa
4. Friedrich-Alexander University, Erlangen, Germany
5. Maastricht University, Maastricht, The Netherlands
6. McMaster University, Hamilton, Ontario, Canada
7. St Gerado Hospital, Milan, Italy
8. John Radcliffe Hospital, Oxford, UK