1. Ain Shams UniversityCairoEgypt
2. Mansoura UniversityMansouraEgypt
3. Clemenceau Medical CenterBeirutLebanon
4. Pfizer Essential HealthJeddahSaudi Arabia
5. Ipsos Marketing & HealthcareHamburgGermany
6. Pfizer Essential HealthSurreyUnited Kingdom
7. Pfizer Essential HealthNew YorkUnited States of America