Public perceptions in relation to intention to receive pandemic influenza vaccination in a random population sample: evidence from a cross-sectional telephone survey Sypsa, V and Livanios, T and Psichogiou, M and Malliori, M and Tsiodras, S and Nikolakopoulos, I and Hatzakis , A, Eurosurveillance, 14, 19437 (2009), https://doi.org/10.2807/ese.14.49.19437-en