From Barcelona Airport El Prat to the city centre (Plaza Catalunya) by Aerobus:
Aerobus is the comfortable bus service, leaving every 5 minutes, the Airport Terminals T1 or T2 to the centre of Barcelona (Plaza Catalunya) in 35 minutes journey.  Ticket 5.30 Euros. From Plaza Catalunya take train to Sarrią stop station (ticket 1.45 Euros). Then walk 8 minutes to Mikado Hotel or Turo  de Vilana Hotel .To reach the Eurostars Angli Hotel take train from Plaza Catalunya to Sarrią stop. Exit to Hort de la Vila street and at first corner turn left to Angli street. Walk 12 minutes to number 60 to the Eurostars Angli Hotel .

A Bus that also takes you from Plaza Catalunya to the Hotels and Venue of the congress:
Bus number 14 Bonanova bound , has its stop right by the Aerobus  at Plaza Catalunya and has its next to last stop arriving on Ganduxer St-Passeig Bonanova almost in front of the Mikado Hotel.
The Sarrią Metro (L6) doesn't really belong to the Municipal Transportation but to the Generalitat of Catalonia Trains. Lines S1 and S2 also stop at Sarrią, so the frequency of available trains is of about every 3-4 minutes.

If you decide to take a taxi from the Airport to your hotel the cost will be 35 Euros.

The WCVII Venue address:
Medical Council of Barcelona Conference Centre  
Paseo Bonanova 47, 08017 Barcelona