Vol.253 No. 3 MARCH 2021

Editorial: Review Series in Disaster Medicine
Progress of Disaster Medicine during Ten Years after the 2011 Great East Japan Earthquake Shinichi Egawa [PDF]	Vol. 253, No. 3 pp.159-170, 2021
Invited Review for the 100th Anniversary of the TJEM
Mass Spectrometry-Based Steroid Profiling: Meeting Unmet Clinical Needs Man Ho Choi [PDF]	Vol. 253, No. 3 pp.171-180, 2021
Review
Mental Health and Physical Activity among Children and Adolescents during the COVID-19 Pandemic Junko Okuyama, Shuji Seto, Yu Fukuda, Shunichi Funakoshi, Shintaro Amae, Jun Onobe, Shinichi Izumi, Kiyoshi Ito and Fumihiko Imamura [PDF]	Vol. 253, No. 3 pp.203-215, 2021
Regular Contributions
Decreased Stroke Volume and Venous Return in School Children with Postural Tachycardia Syndrome Shino Jimbo, Yukihiko Fujita, Wakako Ishii, Hidemasa Namiki, Masataka Kato, Akiko Komori, Yuriko Abe, Hiroshi Kamiyama, Mamoru Ayusawa and Ichiro Morioka [PDF]	Vol. 253, No. 3 pp.181-190, 2021
Characteristics of Parents Who Feel a Lack of Communication with Coaches of Youth Sports Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Haruki Momma, Masahiro Tsuchiya, Kenji Kanazawa, Shinichirou Yoshida, Eiji Itoi and Ryoichi Nagatomi [PDF]	Vol. 253, No. 3 pp.191-198, 2021
Cerebral Aneurysm Rupture during Pregnancy Resulting in Subdural Hematoma without Subarachnoid Hemorrhage Yoshimitsu Wada, Hirotada Suzuki, Teppei Matsubara, Hironori Takahashi, Hiroyuki Fujiwara and Shigeki Matsubara [PDF]	Vol. 253, No. 3 pp.199-202, 2021