Affiliation: | 1. Division of Cardiovascular Surgery, Mayo Clinic, Rochester 55901, USA;2. Division of Cardiovascular Diseases, Mayo Clinic, Rochester 55901, USA;3. Mayo Clinic Libraries, Mayo Clinic, Rochester 55901, USA;4. Division of Nephrology and Hypertension, Mayo Clinic, Rochester 55901, USA;5. Adventist Wockhardt Heart Hospital, Surat, Gujarat, India |