Jack P Chen1, Thach Nguyen2, Faisal Latif3, Theodore A Bass4. 1. Department of Medicine, Northside Hospital, Atlanta, Georgia, USA. Email: chenjackpollo@yahoo.com. 2. Indiana University School of Medicine, Community Healthcare System, St Mary Medical Center, Hobart, Indiana, USA. 3. Department of Medicine, Cardiovascular Section, VA Medical Center and University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA. 4. Division of Cardiology, University of Florida, USA.