2,000
Participants
Start Date
May 28, 2021
Primary Completion Date
March 31, 2026
Study Completion Date
May 31, 2030
RECRUITING
China-Japan Friendship Hospital, Beijing
KaiLuan General Hospital
OTHER
The First Affiliated Hospital of Shanxi Medical University
OTHER
Weifang Respiratory Disease Hospital
UNKNOWN
Hubei Hospital of Traditional Chinese Medicine
OTHER
Hunan Prevention and Treatment Institute for Occupational Diseases, China
UNKNOWN
The first affiliated hospital of chongqing medical and pharmaceutical college
UNKNOWN
Centers for Disease Control and Prevention, China
OTHER_GOV
Shandong Gold Mining Company Occupational Disease Precention Hospital
UNKNOWN
Shandong Province Hospital of occupational diseases
UNKNOWN
The Second Hospital of Heilongjiang Province
UNKNOWN
China-Japan Friendship Hospital
OTHER