摘要:Scientific Reports 5 Article number: 15235; 10.1038/srep15235 published online: 15 October 2015 ; updated: 18 December 2015 . In the original version of this Article, Dang Yuan Lei was incorrectly listed as being affiliated with ‘Key Lab of Advanced Transducers and Intelligent Control System of Ministry of Education and Shanxi Province, College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China’.