1. Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun, Jilin 130118, P.R. China
2. School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China
3. Gastroenterology and Endoscopy Center, The First Bethune Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, P.R. China