1 Department of Physiology, Christian Medical College, Vellore, Tamil Nadu, India.
2 Department of Orthopaedics; Centre for Stem Cell Research, Christian Medical College, Vellore, Tamil Nadu, India.
3 Division of Experimental Pathology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, Kerala, India.