About the Authors

Wuyang Yuan

Roles Writing – original draft

Affiliations School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China, 100044, State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China, 100044

Lei Nie

Roles Supervision

lnie8509@yahoo.com

Affiliations School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China, 100044, State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China, 100044

Xin Wu

Roles Writing – review & editing

Affiliation School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China, 100044

Huiling Fu

Roles Investigation

Affiliations School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China, 100044, State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China, 100044

Competing Interests

The authors have declared that no competing interests exist.