Institution: | 1.Division of General Thoracic Surgery, Inselspital University Hospital Bern, Bern, Switzerland;2.Department of Clinical Research, Thoracic Surgery Stem Cell Laboratory, University of Bern, Bern, Switzerland;3.Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland;4.Institute of Pathology, University of Bern, Bern, Switzerland |