Please note that the Medical Office is closed from 14.00 till approximately 15.30 tomorrow Thursday 3 February. Dag Harald Johannessen -- Claudia Bognolo The Abdus Salam International Centre for Theoretical Physics Strada Costiera 11 34151 Trieste (Italy) phone +39-0402240219 fax +39-040224163 email bognolo at ictp.it