Table 1 List of Journal outlets searched by hand

Chinese Journal of Epidemiology

Chinese Journal of Critical Care;

Chinese Journal of Traumatology

Chinese Journal of Industrial Hygiene and Occupational Medicine

Chinese Journal of Disease Control and Prevention

Chinese Critical Care Medicine

Journal of the Fourth Military Medical University

Journal of Sichuan University (Medical Science Edition)

Chinese Journal of Hospital Administration

Chinese Journal of Geriatrics

Chinese Hospital Management

Chinese Journal of Neurosurgical Disease

Journal of Tongji University (Medical Science)

Journal of Traumatic Surgery

Shanghai Journal of Preventative Medicine

Journal of Xinxiang Medical College

Orthopaedic Journal of China

Chinese Journal of Emergency Medicine