Capital Medical University - China-Japan Friendship Hospital, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, Capital Medical University - China-Japan Friendship Hospital, Capital Medical University - China-Japan Friendship Hospital, China-Japan Friendship Hospital - Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital - Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital - Department of Pulmonary and Critical Care Medicine, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, University of East Anglia (UEA) - Norwich Medical School, Simcere Diagnostics Co., Ltd. - State Key Laboratory of Translational Medicine and Innovative Drug Development, China-Japan Friendship Hospital - Department of Pulmonary and Critical Care Medicine and Independent