1. Beijing Tongren Hospital, Capital Medical University, 100730 Beijing, China
2. Department of Pulmonary and Critical Care Medicine, The Sixth Medical Center of PLA General Hospital, 100048 Beijing, China
3. ImmunoChina Pharmaceuticals Co., Ltd., 100195 Beijing, China
4. Department of Pharmacy, Panjin Gem Flower Hospital, 124010 Panjin, Liaoning, China