About the Authors

Masaya Ito

masayait@ncnp.go.jp

Affiliations National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan, Japan Society for the Promotion of Science, Tokyo, Japan

Satomi Nakajima

Affiliation National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan

Daisuke Fujisawa

Affiliation Psycho-oncology Division, National Cancer Center Hospital East, Chiba, Japan

Mitsunori Miyashita

Affiliation Department of Palliative Nursing, Health Sciences, Tohoku University Graduate School of Medicine, Sendai, Japan

Yoshiharu Kim

Affiliation National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan

M. Katherine Shear

Affiliations Columbia University School of Social Work, New York, New York, United States, Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, New York, United States of America

Angela Ghesquiere

Affiliation Columbia University School of Social Work, New York, New York, United States

Melanie M. Wall

Affiliations Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, New York, United States of America, Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MI SN DF MM YK KS AG. Performed the experiments: DF MM. Analyzed the data: MI SN YK KS MW. Contributed reagents/materials/analysis tools: MI SN DF MM YK KS AG. Wrote the paper: MI SN DF MM YK KS AG MW.