1. Laboratory of Molecular Iron Metabolism, The Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life ScienceHebei Normal UniversityShijiazhuangHebei ProvinceP. R. China
2. Bioreactor and Protein Drug Research and Development Center of Hebei UniversitiesHebei Chemical and Pharmaceutical CollegeShijiazhuangHebei ProvinceP. R. China
3. Chengde Medical UniversityChengdeHebei ProvinceP. R. China
4. Norwich Medical SchoolUniversity of East AngliaNorwichUK
5. The 3rd Hospital of Hebei Medical UniversityShijiazhuangHebei ProvinceP. R. China