1. University Hospital Salamanca; Salamanca Spain
2. Heidelberg Medical University and National Center for Tumor Diseases; Heidelberg Germany
3. Clinica Universidad de Navarra; Pamplona Spain
4. Mayo Clinic; Phoenix AZ USA
5. Amgen Ltd; London UK
6. Amgen Inc.; Thousand Oaks CA USA
7. Amgen GmbH; Zug Switzerland
8. Centre Hospitalier Universitaire de Poitiers; Poitiers France