1Unit of Rheumatology, Department of Internal Medicine, Government Medical College Kottayam, Kerala, India
2Department of Internal Medicine, Government Medical College Kottayam, Kerala, India
3Department of Neurology, Government Medical College Thiruvananthapuram, Kerala, India
4Department of Psychiatry, Government Medical College Kottayam, Kerala, India
Harikrishnan Gangadharan, Rahul Peter, Vineetha VS, Varghese Punnoose, Josemon George