Biomedical Research Center;
Northwest Minzu University;
Lanzhou 730030;
Gansu Province;
China;
Department of Psychiatry;
Faculty of Medicine;
Universiti Teknologi MARA;
Batu Caves 68100;
Selangor;
Malaysia;
Center for Molecular Medicine in Yunnan Province;
Kunming University of Science and Technology;
Kunming 650500;
Yunnan Province;
China;
COVID-19; Post-traumatic stress disorder; Students; College entrance examination; China; Education;