Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-16462-7, published online 24 November 2017

The original version of this Article contained an error in the title of the paper, where the word “The” was incorrectly given as “Thae” and the word “microfluidic” was incorrectly given as “microfluic”.

Additionally, the original version of this Article contained an error in Affiliation 3, which was incorrectly given as ‘Department of Ophthalmology, College of Medicine, Dankook University, 119 Danaeo-ro, Dongnam-gu, Cheonan-si, Sungcheongnam-do, 31116, Republic of Korea’. The correct affiliation is listed below:

Department of Ophthalmology, College of Medicine, Dankook University, 119 Danaeo-ro, Dongnam-gu, Cheonan-si, Chungcheongnam-do, 31116, Republic of Korea

These errors have now been corrected in the PDF and HTML versions of the Article and in the accompanying Supplementary Information file.