1. Takeuchi T, Nakao M, Kohno M, Hatano M, Niimi M, Yano E. Development of a questionnaire to assess ‘Hie’ symptoms using an evidence-based analysis. Environ Health Prev Med. 2008;13:338–44.
2. Kondo M, Okamura Y. Cold constitution: analysis of the questionnaire (in Japanese with English abstract). Nihon Sanka Fujinka Gakkai Zasshi. 1987;39:2000–4.
3. Miyamoto N, Aoki T, Muto N, Inaba R, Iwata H. Relationship between chilliness of the limbs and daily-life conditions in young females (in Japanse with English abstract). Nihon Eiseigaku Zasshi. 1995;49:1004–12.
4. Miyazaki J, Taniguchi T, Kuge H, Takeda T, Fujikawa A, Morisawa T, et al. Sex specific relationship between body mass index and health related QOL among persons with feeling of chillness –comparison with and without feeling of chillness- (in Japanese). QOL J. 2009;10:97–105.
5. Takatori A, Okuda H, Sekiba K, Tanizaki K. Thermological study on the coldness in women (in Japanese). Papers Institute Environ Med Okayama Univ Med School. 1990;61:46–54.