[1] Minist Hlth, Muscat, Oman
[2] Tripoli Univ, Med Sch, Tripoli, Libya
[3] Minist Hlth, Riyadh, Saudi Arabia
[4] Sanofi Pasteur, Istanbul, Turkey
[5] Gazi Univ, Med Fac, Dept Publ Hlth, Ankara, Turkey
[6] Natl Inst Hlth, Islamabad, Pakistan
[7] Natl Ctr Dis Control, Tripoli, Libya
[8] Iran Univ Med Sci, Tehran, Iran
[9] Sanofi Pasteur, Tripoli, Libya
[10] Agha khan Univ, Karachi, Pakistan
[11] Fdn Merieux, 17 Rue Bourgelat, F-69002 Lyon, France
[12] Royal Coll Gen Practitioners, London, England
[13] Sanofi Pasteur, Ain Sebaa, Morocco
[14] Shahid Behest Univ Med Sci, Tehran, Iran
[15] Hellen Ctr Dis Control & Prevent, Athens, Greece
[16] Inst Pasteur Maroc, Casablanca, Morocco
[17] Minist Hlth, Rabat, Morocco
[18] RIZ Tiho Hannover, Erasmus, Hannover, Germany
[19] Hop Edouard Herriot, Lyon, France
[20] Cairo Univ, Fac Med, Cairo, Egypt
[21] Amer Univ Beirut, Beirut, Lebanon