International benchmarking in type 1 diabetes: Large difference in childhood HbA1c between 8 high-income countries but similar rise during adolescence -A quality registry study Short running title: Similar HbA1c pattern between countries

Johan Anderzén , Julia M. Hermann 2, , Ulf Samuelsson , Dimitrios Charalampopoulos , Jannet Svensson , Torild Skrivarhaug , Elke Fröhlich-Reiterer , David M. Maahs , Karin Akesson 1, , Thomas Kapellen , Maria Fritsch, Niels H. Birkebæk , Ann Kristin Drivvoll , Kellee Miller , Terence Stephenson , Sabine E Hofer , Siri Fredheim , Siv Janne Kummernes , Nicole Foster , Rakesh Amin , Dörte Hilgard , Birgit Rami-Merhar , Knut Dahl-Jørgensen , Mark Clements 18, 19, , Ragnar Hanas , Reinhard W. Holl , Justin T Warner 22