[1] Weifang Med Univ, Dept Endocrinol & Metab, Affiliated Hosp, 2428 Yuhe Rd, Weifang 261031, Peoples R China
[2] Weifang Med Univ, Clin Res Ctr, Affiliated Hosp, Weifang 261031, Peoples R China
[3] Weifang Med Univ, Sch Basic Med Sci, Dept Pathophysiol, Weifang 261053, Peoples R China
[4] Weifang Med Univ, Dept Pathol, Affiliated Hosp, Weifang 261031, Peoples R China