I would like to express my special appreciation and thanks to my advisor Professor Dr. NAME SURNAME, you have been a tremendous mentor for me. I would like to thank you for encouraging my research and for allowing me to grow as a research scientist. Your advice on both research as well as on my career have been priceless. I would also like to thank my committee members, professor NAME SURNAME, professor NAME SURNAME, professor NAME SURNAME for serving as my committee members even at hardship. I also want to thank you for letting my defense be an enjoyable moment, and for your brilliant comments and suggestions, thanks to you. I would especially like to thank physicians, nurses, and nurse aids in the brain injury rehabilitation unit at University Medical Center. All of you have been there to support me when I recruited patients and collected data for my Ph.D. thesis.
A special thanks to my family. Words cannot express how grateful I am to my mother-in law, father-in-law, my mother, and father for all of the sacrifices that you’ve made on my behalf. Your prayer for me was what sustained me thus far. I would also like to thank all of my friends who supported me in writing, and incented me to strive towards my goal. At the end I would like express appreciation to my beloved wife NAME who spent sleepless nights with and was always my support in the moments when there was no one to answer my queries.
Firstly, I would like to express my sincere gratitude to my advisor Prof. _______ for the continuous support of my Ph.D study and related research, for his patience, motivation, and immense knowledge. His guidance helped me in all the time of research and writing of this thesis. I could not have imagined having a better advisor and mentor for my Ph.D study.
Besides my advisor, I would like to thank the rest of my thesis committee: Prof. __________, Prof. ___________, and Dr. ____________, for their insightful comments and encouragement, but also for the hard question which incented me to widen my research from various perspectives.
My sincere thanks also goes to Dr. _________, Dr. ______________, and Dr. __________, who provided me an opportunity to join their team as intern, and who gave access to the laboratory and research facilities. Without they precious support it would not be possible to conduct this research.
I thank my fellow labmates in for the stimulating discussions, for the sleepless nights we were working together before deadlines, and for all the fun we have had in the last four years. Also I thank my friends in the following institution __________________________ . In particular, I am grateful to Dr. Chen Fan for enlightening me the first glance of research.
Last but not the least, I would like to thank my family: my parents and to my brothers and sister for supporting me spiritually throughout writing this thesis and my my life in general.