**Notes/thanks/other declarations**

I (Dr Prasanna Venkatesh Ramesh) owe a deep sense of gratitude to my daughters (Pranu and Hasanna) and family (in-laws) for all their prayers, support, and encouragement. Above all, I extend my heartfelt gratitude to all the patients who consented for the images which are utilized for this chapter.

I (Dr. Shruthy Vaishali Ramesh) want to thank my partner (Arul) for his constant support and encouragement during the process of creating this chapter.

I (Ms. Prajnya Ray) would like to offer my special thanks to Mr. Deepak Kumar Panda for his constant support and never-ending encouragement, and my parents (Mr. Anil Ray and Mrs. Soubhagyabati Ray) for their support and motivation during the process of framing this chapter.

I (Mr. Aji Kunnath Devadas) want to thank my parents (Mr. Devadas K and Mrs. Sheeba Devadas) for their constant support and encouragement during the process of creating this chapter.

I (Akshay Surendran) want to thank my parents (Mr. Surendran P and Mrs. Lalitha K) and my sister (Anjana Surendran) for their constant support and encouragement during the process of creating this chapter.
