Erratum to: Improving protein order-disorder classification using charge-hydropathy plots. Issue 1 (December 2015) - Huang, Fei; Oldfield, Christopher; Xue, Bin; Hsu, Wei-Lun; Meng, Jingwei; Liu, Xiaowen; Shen, Li; Romero, Pedro; Uversky, Vladimir; Dunker, A.