1. 1 N.T.R.U.H.S. Government Guntur Medical college , Guntur , India
2. 2 Government Medical College , Amritsar , Punjab , India
3. 3 G.M.E.R.S. Medical College , Gandhinagar , Gujarat , India
4. 4 Tianjin Medical University , Tianjin , China
5. 5 Dayanand Medical College and Hospital , Ludhiana , India
6. 6 University College of Medical Sciences , New Delhi , India
7. 7 San Joaquin general hospital, French Camp , CA , USA
8. 8 Penn state Milton S. Hershey Medical Center , Hershey , USA