Keino, H
Okada, A A
Watanabe, T
Taki, W
Article History
Received: 22 October 2013
Accepted: 11 May 2014
First Online: 20 June 2014
Competing interests
: This study was supported by restricted research funds from Mitsubishi Tanabe Pharma for the Department of Ophthalmology, Kyorin University School of Medicine.