Dr. Ujjwal Kumar Chowdhury, M.Ch., Diplomate NB
Professor
Department of Cardiothoracic and Vascular Surgery
AIIMS, New Delhi-110029, INDIA
Tel.: 91-11-26594835
Fax: 91-11-26588641
Email: ujjwalchowdhury@gmail.com
Orcid ID: http: //orcid.org/0000-0002-1672-1502
Word Count: Abstract (243), Text (4256), References (1777), Figure Legends (890)
Statement of human rights/ethical approval: The authors assert that all procedures contributing to this study comply with the ethical standards of the relevant national guidelines on human experimentation and with the Helsinki declaration of 1975, as revised in 2008.
Conflict of interest : Nil
Source of funding : Nil
Availability of Data: Data available in the cited materials