My warmest gratitude for the cooperation

to Vasilis Doumanis, George Karagiannakis, Magda Tsoumi, Nikos Chadzissavvas, Polychronis Zarotiadis, Alexandros Dimitriadis, Angelos Papadimitriou, Eva Karaitidi, George Freris, Efi Kalamara, Lilian Nitsopoulou, Eleni Kyriaki, Irina Simeonova, Giorgis Christodoulou, Michalis Zeis, Yannis Yfantis, Victoria Theodorou, Jean-Claude Villain, Ilektra Arabadzi, Despina Litsiou, Chara Bacanicola, Fotini Papariga, Maria Karageorgiadou, the Labat family, Brigitte Blanchard-Zamidou, Pierre Bich & Martine Vernet, Joelle Dalegre, Anastasia Schinarakis, Marie-Claude & Jacqueline Ponpon, Helen Titchen, Sotiris Biziouras, Evangelia Michail, Francisco Morcillo, Athanasia Lampadari, Kveta Reichlova, Giana Doulgeroglou-Rydlova, Milena Skallova, Ιrena Polakova, Marika Verisova, Marika Kalnoky, Luba Vasileva, Mariana Alexandrova, Tsvetanka Elenkova, Milena Apostolova, Marina Giourtzidou, Kostas Anagnostakis, Eleni Michalogianni, Maria Charitidou as well as Alexandra Dimou and Antonis Tsoklis who will stay forever in my heart.

Thank you very much to my family for their support.