1. Maharajgunj Medical Campus, Institute of Medicine, Tribhuvan University, Maharajgunj, Kathmandu 44600, Nepal
2. Tribhuvan University Teaching Hospital, Maharajgunj, Kathmandu 44600, Nepal
3. Division of Research Affairs, Larkins Community Hospital, South Miami, USA
4. Rochester General Hospital, Rochester, NY, USA
5. Department of Cardiology, Maharajgunj Medical Campus, Institute of Medicine, Tribhuvan University, Maharajgunj, Kathmandu 44600, Nepal