1. Division of General Internal Medicine; Mayo Clinic; Rochester Minnesota USA
2. Internal Medicine Residency; University of Pittsburgh School of Medicine; UPMC Montefiore Hospital; Pittsburgh Pennsylvania USA
3. Department of Public Health; School of Public Health and Family Medicine; College of Medicine; University of Malawi; Blantyre Malawi
4. TeamHealth Oak Ridge Methodist Medical Center; Hospitalist Medical Group; Oak Ridge Tennessee USA
5. Division of General Internal Medicine; University of Pittsburgh School of Medicine; UPMC Montefiore Hospital; Pittsburgh Pennsylvania USA