[1] Las Palmas Univ, Dr Negrin Hosp, Las Palmas Gran Canaria, Spain
[2] Univ London, London WC1E 7HU, England
[3] Univ Virginia, Charlottesville, VA 22903 USA
[4] Klinikum Univ, Munich, Germany
[5] AstraZeneca, Zaventem, Belgium
[6] Hop Pitie, INSERM, U1018, F-75651 Paris, France