I would like to take the opportunity to thank you, for your invitation to participate in the Congress at Azerbaijan. It was a real honor for me to be selected and cooperate with others very important and highly respected speakers. It was an excellent experience for me, having the opportunity to mingle and meet colleagues from all around the world. Moreover, I would like to thank you for the excellent hospitality during my stay to Azerbaijan and as well for the great organization of the congress. I am always at your disposal for any future needs.