**Acknowledgements**

HA is thankful to Prof. Fahim H. Khan and Prof. Waseem A. Siddiqui for their encouragement, inspiration and motivation. HA wishes to acknowledge his family members for their endless, everlasting and eternal support in life and wellbeing. RA is extremely grateful to Prof Bassam H. Awary, Prof. Mahdi Abumadni, Dr. M. Madadin and Dr. Kholoud Al Ghamdi for their advice and support.
