1. Central Research LaboratoryThe Second Hospital of Shandong UniversityJinanChina
2. Department of DermatologyThe Second Hospital of Shandong UniversityJinanChina
3. The II. Medizinische Klinik und Poliklinik der Technischen Universität MünchenMünchenGermany
4. Department of Internal MedicineDezhou People's HospitalDezhouChina
5. The Third People's Hospital of TibetCentral LaboratoryLhasaChina