1 Department of Gastroenterology, Liaocheng People's Hospital Affiliated to Graduate School of Shandong First Medical University, Liaocheng, Shandong Province, People's Republic of China.
2 Department of Cardiology, Liaocheng People's Hospital Affiliated to Graduate School of Shandong First Medical University, Liaocheng, Shandong Province, People's Republic of China.
3 Department of Cardiology, Liaocheng People's Hospital Affiliated to Graduate School of Shandong First Medical University, Liaocheng, Shandong Province, People's Republic of China. 1285296769@qq.com.