• Fu Wai Hospital, Chinese Academy of Medical Sciences, Beijing, China

• Beijing Anzhen Hospital, Capital Medical University, Beijing, China

• Beijing Tian Tan Hospital, Capital Medical University, Beijing, China

• Fudan University Zhongshan Hospital, Shanghai, China

• Affiliated East Hospital of Tongji University, Shanghai, China

• General Hospital of Northern Theater Command, Shenyang, China

• University of Washington Medical Center, Seattle, USA

• Clinique Pasteur, Toulouse, France