1 Division of Cardiovascular Medicine, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555. Electronic address: amelbada@utmb.edu.
2 Division of Cardiovascular Medicine, University of Florida, Gainesville, Florida.
3 Department of Cardiovascular Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
4 Division of Cardiovascular Medicine, Minneapolis Heart Institute, Abbot Northwestern Hospital, Minneapolis, Minnesota.
5 Division of Cardiovascular Medicine, Department of Medicine, University of Iowa, Iowa City, Iowa.
6 Department of Pharmaceutics, Future University, Cairo, Egypt.