Scientific Reports 5: Article number: 15709; published online: 29 October 2015; updated: 07 January 2016.

In this Article, Khalid Iqbal is incorrectly affiliated with ‘Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P. R. China.’ The correct affiliation is listed below:

Department of Neurochemistry, Inge Grundke-Iqbal Research Floor, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, New York 10314, USA