Murata, Tomohiro
Katayama, Kan
Oohashi, Toshitaka
Jahnukainen, Timo
Yonezawa, Tomoko
Sado, Yoshikazu
Ishikawa, Eiji
Nomura, Shinsuke
Tryggvason, Karl
Ito, Masaaki
Article History
Received: 15 March 2016
Accepted: 17 June 2016
First Online: 5 July 2016
Competing interests
: The authors declare no competing financial interests.