Anil Chankaramangalam Mathew, Rowther Shamna Safar1, Thazhuthekudiyil Sathyam Anithadevi1, Moosa Saira Banu, Singanallur Lakshmanan Ravi Shankar, Beliyur Krishna Dinakar Rai2, Thomas Vengail Chacko
Department of Community Medicine, and 2Department of Orthopedics, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, 1Department of Statistics, St. Thomas College, Pala, Kerala, India