1. School of Pharmacy, Qiqihar Medical University, Qiqihar 161006, China
2. Institute of Medicine and Drug Research, Qiqihar Medical University, Qiqihar 161006, China
3. Qiqihar Center for Disease Control and Prevention, Qiqihar 161006, China
4. College of Discipline Inspection and Supervision, Qiqihar Medical University, Qiqihar 161006, China