1. Department of Cardiovascular Medicine, Affiliated Hospital of Hebei University of Engineering, Handan 056002, Hebei, China
2. Department of Nuclear Medicine, Affiliated Hospital of Hebei University of Engineering, Handan 056002, Hebei, China
3. Department of Cardiovascular Medicine, Handan Central Hospital, Handan 056001, Hebei, China
4. Department of Neurology, Affiliated Hospital of Hebei University of Engineering, Handan 056002, Hebei, China
5. Department of Medical Administration, Affiliated Hospital of Hebei University of Engineering, Handan 056002, Hebei, China