Most important acknowledgements go to all the contributing authors for their assistance, eagerness, support, and their expert scientific reviews. I thank my colleagues, Lipa Cicin-Sain, Maja Matulic and Mladen Paradzik for the motivating and inspiring discussions. Thanks to my husband Darko for taking care of our children during the long days and weekends while I worked on this project, and for his understanding and encouragement. Last but not least, I am most grateful to the publishing process managers Petra Nenadic and Ana Pantar for their outstanding work, great support and indispensable help at every phase in the preparation of this book
