Anderz?n J, Hermann JM, Samuelsson U, Charalampopoulos D, Svensson J, Skrivarhaug T, Fr?hlich-Reiterer E, Maahs DM, Akesson K, Kapellen T, Fritsch M, Birkebaek NH, Drivvoll AK, Miller K, Stephenson T, Hofer SE, Fredheim S, Kummernes SJ, Foster N, Amin R, Hilgard D, Rami-Merhar B, Dahl-J?rgensen K, Clements M, Hanas R, Holl RW, Warner JT. International benchmarking in type 1 diabetes: Large difference in childhood HbA1c between eight high-income countries but similar rise during adolescence-A quality registry study. Pediatr Diabetes. 2020 06; 21(4):621-627.