Pak, V M
Keenan, B T
Jackson, N
Grandner, M A
Maislin, G
Teff, K
Schwab, R J
Arnardottir, E S
Júlíusson, S
Benediktsdottir, B
Gislason, T
Pack, A I
Article History
Received: 10 February 2014
Revised: 2 July 2014
Accepted: 6 July 2014
First Online: 21 July 2014
Competing interests
: ESA reports personal consulting fees from Nox Medical outside the scope of the submitted work. AIP is the holder of an endowed chair, funds for which were provided by Respironics.