Synfacts, Table of Contents Synfacts 2019; 15(09): A132-A147DOI: 10.1055/s-0037-1612193 Synform © Georg Thieme Verlag KG Stuttgart · New York SYNFORM ISSUE 2019/09 Authors Matteo Zanda Recommend Article Abstract PDF Download(opens in new window) Buy Article(opens in new window) PDF (2468 kb)