Institution: | 1. Department of Endocrinology, Changhai Hospital, The Second Military Medical University, Shanghai, China;2. Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, China;3. Department of Hepatobiliary Surgery, General Hospital of Southern Theatre Command, Guangzhou, China;4. Da‐Jin Zou, Department of Endocrinology, Shanghai Changhai Hospital, 168 Changhai Road, Shanghai 200433, China. |