1. Vaccine European New Integrated Collaboration Effort (VENICE) Project
2. Health Protection Surveillance Centre, Dublin, Ireland
3. European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
4. Institut de Veille Sanitare, Saint-Maurice, France
5. Istituto Superiore di Sanitá, Rome, Italy
6. The Green Channel Regional Reference Centre, Veneto, Italy
7. List of gatekeepers is available on VENICE website: http://venice.cineca.org