[1] Rush Medical College,Department of Orthopedic Surgery
[2] Rush Medical College,Department of Microbial Pathogens and Immunity
[3] Oulu University Hospital and University of Oulu,Medical Research Center Oulu
[4] King’s College,Department of Twins Research and Genetic Epidemiology
[5] Rush Medical College,Departments of Anatomy & Cell Biology and Pathology
[6] Rush Medical College,Department of Internal Medicine