1. Department of Internal MedicineMcGovern Medical School at The University of Texas Health Science Center at Houston Houston Texas
2. Department of CardiologyThe University of Texas MD Anderson Cancer Center Houston Texas
3. Department of Family and Community MedicineMcGovern Medical School at The University of Texas Health Science Center at Houston Houston Texas
4. Department of BiostatisticsThe University of Texas MD Anderson Cancer Center Houston Texas
5. Department of CardiologyElias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy Bucharest Romania
6. Department of CardiologyArkansas Heart Hospital Little Rock Arkansas
7. Florida Hospital Pepin Heart Institute Tampa Florida
8. First Department of CardiologyHippokration Hospital, National and Kapodistrian University Medical School Athens Greece