1. Division of PulmonaryCritical Care and Sleep MedicineUniversity of FloridaGainesvilleFLUSA
2. Division of Cardiovascular MedicineUniversity of FloridaGainesvilleFLUSA
3. Department of Internal MedicineUniversity of FloridaGainesvilleFLUSA
4. Department of BiostatisticsCollege of Public Health and Health Professions and College of MedicineUniversity of FloridaGainesvilleFLUSA