Erratum to: Chapter 3 in: Kiyoshi Makiyama / Shigeru Hirano (eds), Aging Voice, DOI 10.1007/978-981-10-3698-9_3

The labels in the figure 3.4 (a), (b) were incorrectly published. The same have been changed in the respective chapter as follows:

â—‹NNEb

â–²NNEa

Fig. 3.4
figure 4

(a) Longitudinal plots of NNEa and NNEb for a male. (b) Longitudinal plots of NNEa and NNEb for a female