Volume 42, Issue 1, March 2021

Table of Content

Editorial

Elena N. Naumova

Original Article

Ji Eon Kim, Ji Ho Lee, Hocheol Lee, Seok Jun Moon, Eun Woo Nam

Original Article

Peter Francis Raguindin, Merrylle Morales-Dizon, Josephine Aldaba, Lailani P. Mangulabnan, Renelyn P. Reyes, Nyambat Batmunkh, Maria Joyce Ducusin, Anna Lena Lopez

Original Article

Densak Yogyorn, Craig Slatin, Somkiat Siriruttanapruk, Susan Woskie, Thanawadee Chantian, Pusanisa Chaladlerd, Pornpimol Kongtip

Original Article

Yuna Koyama, Takeo Fujiwara, Aya Isumi, Satomi Doi, Manami Ochi

Viewpoint

Marcin Orzechowski, Maximilian Schochow, Florian Steger

Viewpoint

Frank Houghton, Michael Winterburn

Letter to the Editors

Jesús Neyra-León, Jhonel Huancahuari-Nuñez, Juan Carlos Díaz-Monge, Joseph A. Pinto

Letter to the Editors

Avijit Kumar Awasthi, Pravin Kumar Singh