1. Department of medicine, Government Medical College, Amritsar
2. Department of medicine, Liaquat National Hospital and Medical College, Karachi, Pakistan
3. Department of imaging, Cedars-Sinai Medical Center, Los Angeles, CA
4. Department of medicine, University College of Medical Sciences, New Delhi, India
5. Department of medicine, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
6. Department of medicine, Icahn School of medicine at Mount Sinai, NYC Health + Hospital, Queens, NY
7. Department of medicine, Penn State Hershey Medical Center, PA.