Corresponding Author

Akiko Ito

Department of Dermatology, Nagata Clinic, Niigata, Japan

Japanese Contact Dermatitis Research Group, Nagoya, Japan

Correspondence

Dr Akiko Ito, Department of Dermatology, Nagata Clinic, 1205-4 Nagata, Chuo-ku, Niigata 950-0932, Japan.

Email: ttnattoito@icloud.com

Contribution: Conceptualization (equal), Data curation (equal), ​Investigation (equal), Methodology (equal), Project administration (equal), Resources (equal), Visualization (equal), Writing - original draft (equal)