Tuupanen, S
Hänninen, U A
Kondelin, J
von Nandelstadh, P
Cajuso, T
Gylfe, A E
Katainen, R
Tanskanen, T
Ristolainen, H
Böhm, J
Mecklin, J-P
Järvinen, H
Renkonen-Sinisalo, L
Andersen, C L
Taipale, M
Taipale, J
Vahteristo, P
Lehti, K
Pitkänen, E
Aaltonen, L A
Article History
Received: 16 April 2014
Revised: 23 June 2014
Accepted: 8 July 2014
First Online: 12 August 2014
Competing interests
: The authors declare no conflict of interest.