1. Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, USA
2. Center of Excellence for Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, USA
3. Department of Geriatrics, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
4. Department of Biometry and Medical Computing, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, USA