[1] Natl AIDS Plan, Madrid, Spain
[2] Hosp Clin Univ, Infect Dis Unit, Valencia, Spain
[3] Hosp Univ, Internal Med Infect Dis Unit, Burgos, Spain
[4] Hosp Univ La Paz, Madrid, Spain
[5] Hosp Clin Univ San Carlos, Infect Dis Unit, Madrid, Spain
[6] Univ Hosp, Infect Dis Unit, Burgos, Spain
[7] Hosp Arquitecto Marcide, Infect Dis Unit, Ferrol, Spain
[8] Hosp Virgen Victoria, Infect Dis Unit, Malaga, Spain
[9] Hosp Donostia, Infect Dis Unit, San Sebastian, Spain
[10] Hosp Univ Principe Asturias, Madrid, Spain
[11] Hosp Univ Cent Asturias, Infect Dis Unit, Oviedo, Spain
[12] Hosp La Fe, Infect Dis Unit, E-46009 Valencia, Spain
[13] Hosp Univ Valme, Infect Dis Unit, Seville, Spain
[14] Hosp Badalona Germans Trias & Pujol, Fundacio Lluita Sida, Lluita Fdn AIDS, Barcelona, Spain
[15] Univ Autonoma Barcelona, E-08193 Barcelona, Spain
[16] Hosp Univ Valencia, Infect Dis Unit, Valencia, Spain
[17] Hosp Figueres, Dept Internal Med, Girona, Spain
[18] Hosp Gen Univ, Infect Dis Unit, Elche, Spain
[19] Hosp Univ La Princesa, Infect Dis Unit, Madrid, Spain
[20] Hosp Univ Clin, Infect Dis Unit, Barcelona, Spain