Jonas Ludvigsson, Karolinska University Hospital, Karolinska Institute
22 October 2012
This is to inform the readers of this paper that there is an error in Figure 1.
The Swedish ICD-8 classification ("Klassifikation av sjukdomar 1968") was PUBLISHED in 1968, but ICD-8 per se was INTRODUCED in 1969.
Hence, ICD-7 was used throughout year 1968, and ICD-8 was used from 1969.
See also:
Björn Smedby, Gunnar Schiöler: Health Classifications in the Nordic countries. Historic development in a national and international perspective. NOMESCO, Copenhagen 2006.
Jonas F Ludvigsson
Corresponding author.
The Swedish ICD-8 was introduced in 1969
22 October 2012
This is to inform the readers of this paper that there is an error in Figure 1. The Swedish ICD-8 classification ("Klassifikation av sjukdomar 1968") was PUBLISHED in 1968, but ICD-8 per se was INTRODUCED in 1969. Hence, ICD-7 was used throughout year 1968, and ICD-8 was used from 1969. See also: Björn Smedby, Gunnar Schiöler: Health Classifications in the Nordic countries. Historic development in a national and international perspective. NOMESCO, Copenhagen 2006. Jonas F Ludvigsson Corresponding author.
Competing interests
None