[1] Rutgers New Jersey Med Sch, Newark, NJ USA
[2] Univ Las Palmas Gran Canaria, Las Palmas Gran Canaria, Spain
[3] Hosp Univ Dr Peset, Valencia, Spain
[4] GSK, Madrid, Spain
[5] Yale Sch Med, New Haven, CT USA
[6] GSK, Stevenage, Herts, England
[7] GSK, Buenos Aires, DF, Argentina
[8] GSK, Collegeville, PA USA
[9] GSK, Brentford, England
[10] Univ Autonoma Barcelona, Barcelona, Spain