Raatiniemi, Lasse
Liisanantti, Janne
Niemi, Suvi
Nal, Heini
Ohtonen, Pasi
Antikainen, Harri
Martikainen, Matti
Alahuhta, Seppo
Funding for this research was provided by:
The Finnish Society of Anaesthesiologists
North Finland Support Foundation for Health Care
Lapland Central Hospital (state funding for health research)