Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-26553-8, published online 29 May 2018

The original HTML version of this Article omitted an affiliation for Chun-Chieh Wu and Ying Chen. The correct affiliation is listed below:

Department of Atmospheric Sciences, National Taiwan University, Taipei, Taiwan

This has now been corrected in the HTML version of this Article; the PDF was correct at the time of publication.