He is also a visiting professor in the department of clinical and experimental medicine (IKE) and the division of surgery, orthopedics and oncology (KOO) at Linköping University in Linköping, Sweden. Dr. Andersson's research interests are primary related to appendicitis and the colon, including topics such as protein expression and colorectal cancers, necrotizing enterocolitis, and appendicitis inflammatory colitis.