1 Correction to: Biomedical Engineering Letters https://doi.org/10.1007/s13534-019-00102-2

The author would like to add “©Togawa T.” in the Figure 1 caption for the online published article.

Figure 1 caption should read as

Fig. 1
figure 1

Archaic method for diagnosis of disease using the body temperature difference between head and foot by touching a subject ©Togawa T