Department of Endocrinology ,Beijing Jishuitan Hospital,the Fourth Medical College of Peking University,Beijing 100035,China;
Department of Endocrinology ,Beijing Jishuitan Hospital,the Fourth Medical College of Peking University,Beijing 100035,China;
Department of Endocrinology ,Beijing Jishuitan Hospital,the Fourth Medical College of Peking University,Beijing 100035,China;
Biostatistics and Clinical Epidemiology Research Office,Beijing Institute of Trauma and Orthopaedics,Beijing Jishuitan Hospital,the Fourth Medical College of Peking University,Beijing 100035,China;
Department of Orthopaedics and Traumatology ,Beijing Jishuitan Hospital,the Fourth Medical College of Peking University,Beijing 100035,China;