Affiliation: | 1.Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Kingdom of Saudi Arabia;2.Colorectal Research Center, Department of Surgery, King Khalid University Hospital, College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia;3.KMEB, Department of Endocrinology, University of Southern Denmark, Odense, Denmark;4.Danish Stem Cell Center (DanStem), Panum Institute, University of Copenhagen, Copenhagen, Denmark |