Ueo, H
Sugimachi, K
Gorges, T M
Bartkowiak, K
Yokobori, T
Müller, V
Shinden, Y
Ueda, M
Ueo, H
Mori, M
Kuwano, H
Maehara, Y
Ohno, S
Pantel, K
Mimori, K
Article History
Received: 2 November 2014
Revised: 8 March 2015
Accepted: 16 March 2015
First Online: 16 April 2015
Competing interests
: The authors declare no conflict of interest.