Watanabe D, Yamaguchi T, Hu A, Chiba Y, Marutani K, Kuwashima Y, Iwama Y, Watanabe A, Hikima N, Hasebe K, Uehara Y, Mizushima S, Tabuchi M, Mizushima A. Comprehensive assessment of the impact of horticultural activities on salivary stress biomarkers, psychological status, and the autonomic nervous system response visualized using a wearable biosensor.  Neuro Endocrinol Lett. 2021 Mar;  42(1): 55-60

Hasebe K, Watanabe D, Yamaguchi T, Hu A, Tabuchi M, Kuwashima Y, Watanabe A, Hikima N, Uehara Y, Mizushima S, Okuno S, Mizushima A. Differences in the diurnal variation of salivary stress biomarkers during the coronavirus (COVID-19) pandemic between telecommuters and office workers.  Neuro Endocrinol Lett. 2023 Mar;  44(1): 26-30