1. Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
2. Department of Respiratory and Infectious Disease of Geriatrics, The First Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
3. Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, Liaoning, China (mainland)